70712797391 has 2 divisors, whose sum is σ = 70712797392. Its totient is φ = 70712797390.

The previous prime is 70712797313. The next prime is 70712797453. The reversal of 70712797391 is 19379721707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70712797391 - 2³⁰ = 69639055567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70712790391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356398695 + 35356398696.

It is an arithmetic number, because the mean of its divisors is an integer number (35356398696).

Almost surely, 2^70712797391 is an apocalyptic number.

70712797391 is a deficient number, since it is larger than the sum of its proper divisors (1).

70712797391 is an equidigital number, since it uses as much as digits as its factorization.

70712797391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166886, while the sum is 53.

The spelling of 70712797391 in words is "seventy billion, seven hundred twelve million, seven hundred ninety-seven thousand, three hundred ninety-one".