33379655401 has 3 divisors (see below), whose sum is σ = 33379838103. Its totient is φ = 33379472700.

The previous prime is 33379655399. The next prime is 33379655443. The reversal of 33379655401 is 10455697333.

The square root of 33379655401 is 182701.

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: 10455697333 = 823 ⋅12704371.

It can be written as a sum of positive squares in only one way, i.e., 32490423001 + 889232400 = 180251^2 + 29820^2 .

It is not a de Polignac number, because 33379655401 - 2¹ = 33379655399 is a prime.

It is a super-2 number, since 2×33379655401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33379655461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 91351 + ... + 274051.

It is an arithmetic number, because the mean of its divisors is an integer number (11126612701).

Almost surely, 2^33379655401 is an apocalyptic number.

33379655401 is the 182701-st square number.

33379655401 is the 91351-st centered octagonal number.

It is an amenable number.

33379655401 is a deficient number, since it is larger than the sum of its proper divisors (182702).

33379655401 is an frugal number, since it uses more digits than its factorization.

33379655401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365402 (or 182701 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 33379655401 in words is "thirty-three billion, three hundred seventy-nine million, six hundred fifty-five thousand, four hundred one".