70391786711 has 2 divisors, whose sum is σ = 70391786712. Its totient is φ = 70391786710.

The previous prime is 70391786657. The next prime is 70391786747. The reversal of 70391786711 is 11768719307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70391786711 - 2¹⁰ = 70391785687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70391786711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70391786791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35195893355 + 35195893356.

It is an arithmetic number, because the mean of its divisors is an integer number (35195893356).

Almost surely, 2^70391786711 is an apocalyptic number.

70391786711 is a deficient number, since it is larger than the sum of its proper divisors (1).

70391786711 is an equidigital number, since it uses as much as digits as its factorization.

70391786711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 70391786711 in words is "seventy billion, three hundred ninety-one million, seven hundred eighty-six thousand, seven hundred eleven".