2139562399388 has 24 divisors (see below), whose sum is σ = 3874702062000. Its totient is φ = 1032530502528.

The previous prime is 2139562399279. The next prime is 2139562399391. The reversal of 2139562399388 is 8839932659312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896538 + ... + 3559361.

It is an arithmetic number, because the mean of its divisors is an integer number (161445919250).

Almost surely, 2^{2139562399388} is an apocalyptic number.

It is an amenable number.

2139562399388 is a deficient number, since it is larger than the sum of its proper divisors (1735139662612).

2139562399388 is a wasteful number, since it uses less digits than its factorization.

2139562399388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458789 (or 6458787 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 68.

The spelling of 2139562399388 in words is "two trillion, one hundred thirty-nine billion, five hundred sixty-two million, three hundred ninety-nine thousand, three hundred eighty-eight".