70179284881 has 2 divisors, whose sum is σ = 70179284882. Its totient is φ = 70179284880.

The previous prime is 70179284821. The next prime is 70179284909. The reversal of 70179284881 is 18848297107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65633828481 + 4545456400 = 256191^2 + 67420^2 .

It is a cyclic number.

It is not a de Polignac number, because 70179284881 - 2²⁵ = 70145730449 is a prime.

It is a super-2 number, since 2×70179284881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70179284821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35089642440 + 35089642441.

It is an arithmetic number, because the mean of its divisors is an integer number (35089642441).

Almost surely, 2^70179284881 is an apocalyptic number.

It is an amenable number.

70179284881 is a deficient number, since it is larger than the sum of its proper divisors (1).

70179284881 is an equidigital number, since it uses as much as digits as its factorization.

70179284881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 55.

The spelling of 70179284881 in words is "seventy billion, one hundred seventy-nine million, two hundred eighty-four thousand, eight hundred eighty-one".