2121626423415 has 64 divisors (see below), whose sum is σ = 3551892664320. Its totient is φ = 1079376207360.

The previous prime is 2121626423299. The next prime is 2121626423459. The reversal of 2121626423415 is 5143246261212.

It is not a de Polignac number, because 2121626423415 - 2⁸ = 2121626423159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443574114 + ... + 443578896.

It is an arithmetic number, because the mean of its divisors is an integer number (55498322880).

Almost surely, 2^{2121626423415} is an apocalyptic number.

2121626423415 is a deficient number, since it is larger than the sum of its proper divisors (1430266240905).

2121626423415 is a wasteful number, since it uses less digits than its factorization.

2121626423415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064.

The product of its digits is 138240, while the sum is 39.

The spelling of 2121626423415 in words is "two trillion, one hundred twenty-one billion, six hundred twenty-six million, four hundred twenty-three thousand, four hundred fifteen".