32494685568921 has 15 divisors (see below), whose sum is σ = 48541520513541. Its totient is φ = 21663089510148.

The previous prime is 32494685568817. The next prime is 32494685568937. The reversal of 32494685568921 is 12986558649423.

The square root of 32494685568921 is 5700411.

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

32494685568921 is a `hidden beast` number, since 3 + 2 + 4 + 9 + 4 + 68 + 556 + 8 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 32494685568921 - 2⁹ = 32494685568409 is a prime.

It is a super-2 number, since 2×32494685568921² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32494685568921.

It is not an unprimeable number, because it can be changed into a prime (32494685568991) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 50987010 + ... + 51620388.

Almost surely, 2^{32494685568921} is an apocalyptic number.

32494685568921 is the 5700411-st square number.

32494685568921 is the 2850206-th centered octagonal number.

It is an amenable number.

32494685568921 is a deficient number, since it is larger than the sum of its proper divisors (16046834944620).

32494685568921 is an frugal number, since it uses more digits than its factorization.

32494685568921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266770 (or 633382 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 72.

The spelling of 32494685568921 in words is "thirty-two trillion, four hundred ninety-four billion, six hundred eighty-five million, five hundred sixty-eight thousand, nine hundred twenty-one".