6406429953536 has 80 divisors (see below), whose sum is σ = 13251776814144. Its totient is φ = 3092114571264.

The previous prime is 6406429953419. The next prime is 6406429953569. The reversal of 6406429953536 is 6353599246046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66785 + ... + 3580128.

Almost surely, 2^{6406429953536} is an apocalyptic number.

It is an amenable number.

6406429953536 is an abundant number, since it is smaller than the sum of its proper divisors (6845346860608).

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

6406429953536 is an equidigital number, since it uses as much as digits as its factorization.

6406429953536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647051 (or 3647035 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 62.

The spelling of 6406429953536 in words is "six trillion, four hundred six billion, four hundred twenty-nine million, nine hundred fifty-three thousand, five hundred thirty-six".