70717684519 has 2 divisors, whose sum is σ = 70717684520. Its totient is φ = 70717684518.

The previous prime is 70717684511. The next prime is 70717684523. The reversal of 70717684519 is 91548671707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70717684519 - 2³ = 70717684511 is a prime.

It is a super-2 number, since 2×70717684519² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70717684519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70717684511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35358842259 + 35358842260.

It is an arithmetic number, because the mean of its divisors is an integer number (35358842260).

Almost surely, 2^70717684519 is an apocalyptic number.

70717684519 is a deficient number, since it is larger than the sum of its proper divisors (1).

70717684519 is an equidigital number, since it uses as much as digits as its factorization.

70717684519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 70717684519 in words is "seventy billion, seven hundred seventeen million, six hundred eighty-four thousand, five hundred nineteen".