368520629481 has 45 divisors (see below), whose sum is σ = 566097322791. Its totient is φ = 238909283568.

The previous prime is 368520629461. The next prime is 368520629483. The reversal of 368520629481 is 184926025863.

The square root of 368520629481 is 607059.

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

368520629481 is a `hidden beast` number, since 3 + 6 + 8 + 5 + 2 + 0 + 629 + 4 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 329757320025 + 38763309456 = 574245^2 + 196884^2 .

It is not a de Polignac number, because 368520629481 - 2³¹ = 366373145833 is a prime.

It is a super-2 number, since 2×368520629481² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (368520629483) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 202149736 + ... + 202151558.

Almost surely, 2^368520629481 is an apocalyptic number.

368520629481 is the 607059-th square number.

368520629481 is the 303530-th centered octagonal number.

It is an amenable number.

368520629481 is a deficient number, since it is larger than the sum of its proper divisors (197576693310).

368520629481 is an frugal number, since it uses more digits than its factorization.

368520629481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

It can be divided in two parts, 368520 and 629481, that added together give a square (998001 = 999²).

The spelling of 368520629481 in words is "three hundred sixty-eight billion, five hundred twenty million, six hundred twenty-nine thousand, four hundred eighty-one".