70319257399 has 8 divisors (see below), whose sum is σ = 72139857552. Its totient is φ = 68503680960.

The previous prime is 70319257367. The next prime is 70319257403. The reversal of 70319257399 is 99375291307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70319257399 - 2⁵ = 70319257367 is a prime.

It is a super-2 number, since 2×70319257399² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70319251399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227564 + ... + 1283569.

It is an arithmetic number, because the mean of its divisors is an integer number (9017482194).

Almost surely, 2^70319257399 is an apocalyptic number.

70319257399 is a deficient number, since it is larger than the sum of its proper divisors (1820600153).

70319257399 is a wasteful number, since it uses less digits than its factorization.

70319257399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511857.

The product of its (nonzero) digits is 3214890, while the sum is 55.

The spelling of 70319257399 in words is "seventy billion, three hundred nineteen million, two hundred fifty-seven thousand, three hundred ninety-nine".