42646780475 has 12 divisors (see below), whose sum is σ = 56949854976. Its totient is φ = 31493006880.

The previous prime is 42646780471. The next prime is 42646780483. The reversal of 42646780475 is 57408764624.

It is not a de Polignac number, because 42646780475 - 2² = 42646780471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42646780471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65610107 + ... + 65610756.

It is an arithmetic number, because the mean of its divisors is an integer number (4745821248).

Almost surely, 2^42646780475 is an apocalyptic number.

42646780475 is a deficient number, since it is larger than the sum of its proper divisors (14303074501).

42646780475 is a wasteful number, since it uses less digits than its factorization.

42646780475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131220886 (or 131220881 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 42646780475 in words is "forty-two billion, six hundred forty-six million, seven hundred eighty thousand, four hundred seventy-five".