70639219199 has 4 divisors (see below), whose sum is σ = 70726536720. Its totient is φ = 70551901680.

The previous prime is 70639219193. The next prime is 70639219229. The reversal of 70639219199 is 99191293607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70639219199 - 2⁸ = 70639218943 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 (70639219193) 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, 43657547 + ... + 43659164.

It is an arithmetic number, because the mean of its divisors is an integer number (17681634180).

Almost surely, 2^70639219199 is an apocalyptic number.

70639219199 is a deficient number, since it is larger than the sum of its proper divisors (87317521).

70639219199 is an equidigital number, since it uses as much as digits as its factorization.

70639219199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87317520.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The spelling of 70639219199 in words is "seventy billion, six hundred thirty-nine million, two hundred nineteen thousand, one hundred ninety-nine".