70396309157 has 4 divisors (see below), whose sum is σ = 74101378080. Its totient is φ = 66691240236.

The previous prime is 70396309153. The next prime is 70396309163. The reversal of 70396309157 is 75190369307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70396309157 - 2² = 70396309153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70396309153) 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 in 3 ways as a sum of consecutive naturals, for example, 1852534433 + ... + 1852534470.

It is an arithmetic number, because the mean of its divisors is an integer number (18525344520).

Almost surely, 2^70396309157 is an apocalyptic number.

It is an amenable number.

70396309157 is a deficient number, since it is larger than the sum of its proper divisors (3705068923).

70396309157 is a wasteful number, since it uses less digits than its factorization.

70396309157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705068922.

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 70396309157 in words is "seventy billion, three hundred ninety-six million, three hundred nine thousand, one hundred fifty-seven".