376454646481 has 3 divisors (see below), whose sum is σ = 376455260041. Its totient is φ = 376454032922.

The previous prime is 376454646461. The next prime is 376454646553. The reversal of 376454646481 is 184646454673.

It is a happy number.

The square root of 376454646481 is 613559.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184646454673 = 839 ⋅220079207.

It is not a de Polignac number, because 376454646481 - 2⁷ = 376454646353 is a prime.

It is a super-2 number, since 2×376454646481² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376454646461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 306780 + ... + 920338.

Almost surely, 2^376454646481 is an apocalyptic number.

376454646481 is the 613559-th square number.

376454646481 is the 306780-th centered octagonal number.

It is an amenable number.

376454646481 is a deficient number, since it is larger than the sum of its proper divisors (613560).

376454646481 is an frugal number, since it uses more digits than its factorization.

376454646481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227118 (or 613559 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 58.

The spelling of 376454646481 in words is "three hundred seventy-six billion, four hundred fifty-four million, six hundred forty-six thousand, four hundred eighty-one".