70309864337 has 4 divisors (see below), whose sum is σ = 70382275056. Its totient is φ = 70237453620.

The previous prime is 70309864321. The next prime is 70309864379. The reversal of 70309864337 is 73346890307.

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 70309864337 - 2⁴ = 70309864321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70309866337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36203903 + ... + 36205844.

It is an arithmetic number, because the mean of its divisors is an integer number (17595568764).

Almost surely, 2^70309864337 is an apocalyptic number.

It is an amenable number.

70309864337 is a deficient number, since it is larger than the sum of its proper divisors (72410719).

70309864337 is an equidigital number, since it uses as much as digits as its factorization.

70309864337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72410718.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 70309864337 in words is "seventy billion, three hundred nine million, eight hundred sixty-four thousand, three hundred thirty-seven".