2139699104768 has 22 divisors (see below), whose sum is σ = 4277308661676. Its totient is φ = 1069849551872.

The previous prime is 2139699104759. The next prime is 2139699104801. The reversal of 2139699104768 is 8674019969312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044773930 + ... + 1044775977.

Almost surely, 2^{2139699104768} is an apocalyptic number.

It is an amenable number.

2139699104768 is a deficient number, since it is larger than the sum of its proper divisors (2137609556908).

2139699104768 is an equidigital number, since it uses as much as digits as its factorization.

2139699104768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089549927 (or 2089549909 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 2139699104768 in words is "two trillion, one hundred thirty-nine billion, six hundred ninety-nine million, one hundred four thousand, seven hundred sixty-eight".