70939799999 has 4 divisors (see below), whose sum is σ = 70940333400. Its totient is φ = 70939266600.

The previous prime is 70939799963. The next prime is 70939800007. The reversal of 70939799999 is 99999793907.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70939799999 - 2⁸ = 70939799743 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 (70939799699) 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, 112724 + ... + 393174.

It is an arithmetic number, because the mean of its divisors is an integer number (17735083350).

Almost surely, 2^70939799999 is an apocalyptic number.

70939799999 is a deficient number, since it is larger than the sum of its proper divisors (533401).

70939799999 is a wasteful number, since it uses less digits than its factorization.

70939799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533400.

The product of its (nonzero) digits is 703096443, while the sum is 80.

The spelling of 70939799999 in words is "seventy billion, nine hundred thirty-nine million, seven hundred ninety-nine thousand, nine hundred ninety-nine".