32697253421 has 16 divisors (see below), whose sum is σ = 38437969920. Its totient is φ = 27232539120.

The previous prime is 32697253411. The next prime is 32697253451. The reversal of 32697253421 is 12435279623.

It is a cyclic number.

It is not a de Polignac number, because 32697253421 - 2¹⁰ = 32697252397 is a prime.

It is a super-2 number, since 2×32697253421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32697253411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311765 + ... + 403226.

It is an arithmetic number, because the mean of its divisors is an integer number (2402373120).

Almost surely, 2^32697253421 is an apocalyptic number.

It is an amenable number.

32697253421 is a deficient number, since it is larger than the sum of its proper divisors (5740716499).

32697253421 is a wasteful number, since it uses less digits than its factorization.

32697253421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715184.

The product of its digits is 544320, while the sum is 44.

The spelling of 32697253421 in words is "thirty-two billion, six hundred ninety-seven million, two hundred fifty-three thousand, four hundred twenty-one".