70199636321 has 4 divisors (see below), whose sum is σ = 70390916352. Its totient is φ = 70008356292.

The previous prime is 70199636317. The next prime is 70199636411. The reversal of 70199636321 is 12363699107.

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 70199636321 - 2² = 70199636317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70195636321) 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, 95639465 + ... + 95640198.

It is an arithmetic number, because the mean of its divisors is an integer number (17597729088).

Almost surely, 2^70199636321 is an apocalyptic number.

It is an amenable number.

70199636321 is a deficient number, since it is larger than the sum of its proper divisors (191280031).

70199636321 is a wasteful number, since it uses less digits than its factorization.

70199636321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191280030.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 70199636321 in words is "seventy billion, one hundred ninety-nine million, six hundred thirty-six thousand, three hundred twenty-one".