6426749874160 has 80 divisors (see below), whose sum is σ = 18629228224512. Its totient is φ = 2003142816000.

The previous prime is 6426749874107. The next prime is 6426749874169. The reversal of 6426749874160 is 614789476246.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×6426749874160² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6426749874092 and 6426749874101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426749874169) 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, 521645616 + ... + 521657935.

Almost surely, 2^{6426749874160} is an apocalyptic number.

It is an amenable number.

6426749874160 is an abundant number, since it is smaller than the sum of its proper divisors (12202478350352).

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

6426749874160 is a wasteful number, since it uses less digits than its factorization.

6426749874160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043303582 (or 1043303576 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 6426749874160 in words is "six trillion, four hundred twenty-six billion, seven hundred forty-nine million, eight hundred seventy-four thousand, one hundred sixty".