42956507700971 has 8 divisors (see below), whose sum is σ = 43011346944000. Its totient is φ = 42901693329960.

The previous prime is 42956507700961. The next prime is 42956507701007. The reversal of 42956507700971 is 17900770565924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42956507700971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42956507700901) 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, 2760371 + ... + 9671228.

It is an arithmetic number, because the mean of its divisors is an integer number (5376418368000).

Almost surely, 2^{42956507700971} is an apocalyptic number.

42956507700971 is a deficient number, since it is larger than the sum of its proper divisors (54839243029).

42956507700971 is a wasteful number, since it uses less digits than its factorization.

42956507700971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436009.

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 42956507700971 in words is "forty-two trillion, nine hundred fifty-six billion, five hundred seven million, seven hundred thousand, nine hundred seventy-one".