2131976246399 has 8 divisors (see below), whose sum is σ = 2132542583808. Its totient is φ = 2131409994840.

The previous prime is 2131976246353. The next prime is 2131976246401. The reversal of 2131976246399 is 9936426791312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131976246399 - 2⁴⁰ = 1032464618623 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 (2131976242399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109936994 + ... + 109956384.

It is an arithmetic number, because the mean of its divisors is an integer number (266567822976).

Almost surely, 2^{2131976246399} is an apocalyptic number.

2131976246399 is a deficient number, since it is larger than the sum of its proper divisors (566337409).

2131976246399 is a wasteful number, since it uses less digits than its factorization.

2131976246399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42925.

The product of its digits is 26453952, while the sum is 62.

The spelling of 2131976246399 in words is "two trillion, one hundred thirty-one billion, nine hundred seventy-six million, two hundred forty-six thousand, three hundred ninety-nine".