70713040091 has 2 divisors, whose sum is σ = 70713040092. Its totient is φ = 70713040090.

The previous prime is 70713040043. The next prime is 70713040093. The reversal of 70713040091 is 19004031707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70713040091 - 2¹⁴ = 70713023707 is a prime.

It is a super-2 number, since 2×70713040091² (a number of 23 digits) contains 22 as substring.

Together with 70713040093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70713040093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356520045 + 35356520046.

It is an arithmetic number, because the mean of its divisors is an integer number (35356520046).

Almost surely, 2^70713040091 is an apocalyptic number.

70713040091 is a deficient number, since it is larger than the sum of its proper divisors (1).

70713040091 is an equidigital number, since it uses as much as digits as its factorization.

70713040091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

Adding to 70713040091 its reverse (19004031707), we get a palindrome (89717071798).

The spelling of 70713040091 in words is "seventy billion, seven hundred thirteen million, forty thousand, ninety-one".