70051338881 has 8 divisors (see below), whose sum is σ = 75981079944. Its totient is φ = 64322606080.

The previous prime is 70051338853. The next prime is 70051338883. The reversal of 70051338881 is 18883315007.

It can be written as a sum of positive squares in 4 ways, for example, as 1582766656 + 68468572225 = 39784^2 + 261665^2 .

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-70051338881 is a prime.

It is a super-2 number, since 2×70051338881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70051338883) 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, 50251340 + ... + 50252733.

It is an arithmetic number, because the mean of its divisors is an integer number (9497634993).

Almost surely, 2^70051338881 is an apocalyptic number.

It is an amenable number.

70051338881 is a deficient number, since it is larger than the sum of its proper divisors (5929741063).

70051338881 is a wasteful number, since it uses less digits than its factorization.

70051338881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100504131.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 70051338881 in words is "seventy billion, fifty-one million, three hundred thirty-eight thousand, eight hundred eighty-one".