21435713402432 has 56 divisors (see below), whose sum is σ = 48621467278080. Its totient is φ = 9185159854080.

The previous prime is 21435713402431. The next prime is 21435713402449. The reversal of 21435713402432 is 23420431753412.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 21435713402432.

It is not an unprimeable number, because it can be changed into a prime (21435713402431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481369 + ... + 6713112.

Almost surely, 2^{21435713402432} is an apocalyptic number.

It is an amenable number.

21435713402432 is an abundant number, since it is smaller than the sum of its proper divisors (27185753875648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21435713402432 is an equidigital number, since it uses as much as digits as its factorization.

21435713402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200339 (or 8200329 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 21435713402432 in words is "twenty-one trillion, four hundred thirty-five billion, seven hundred thirteen million, four hundred two thousand, four hundred thirty-two".