70861012951 has 2 divisors, whose sum is σ = 70861012952. Its totient is φ = 70861012950.

The previous prime is 70861012939. The next prime is 70861012987. The reversal of 70861012951 is 15921016807.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70861012951 - 2¹⁷ = 70860881879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70861012931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35430506475 + 35430506476.

It is an arithmetic number, because the mean of its divisors is an integer number (35430506476).

Almost surely, 2^70861012951 is an apocalyptic number.

70861012951 is a deficient number, since it is larger than the sum of its proper divisors (1).

70861012951 is an equidigital number, since it uses as much as digits as its factorization.

70861012951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 70861012951 in words is "seventy billion, eight hundred sixty-one million, twelve thousand, nine hundred fifty-one".