2126379699924 has 12 divisors (see below), whose sum is σ = 4961552633184. Its totient is φ = 708793233304.

The previous prime is 2126379699919. The next prime is 2126379699967. The reversal of 2126379699924 is 4299969736212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88599154152 + ... + 88599154175.

It is an arithmetic number, because the mean of its divisors is an integer number (413462719432).

Almost surely, 2^{2126379699924} is an apocalyptic number.

It is an amenable number.

2126379699924 is an abundant number, since it is smaller than the sum of its proper divisors (2835172933260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126379699924 is a wasteful number, since it uses less digits than its factorization.

2126379699924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177198308334 (or 177198308332 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 69.

The spelling of 2126379699924 in words is "two trillion, one hundred twenty-six billion, three hundred seventy-nine million, six hundred ninety-nine thousand, nine hundred twenty-four".