2715600266921 has 2 divisors, whose sum is σ = 2715600266922. Its totient is φ = 2715600266920.

The previous prime is 2715600266867. The next prime is 2715600266923. The reversal of 2715600266921 is 1296620065172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1644385616896 + 1071214650025 = 1282336^2 + 1034995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2715600266921 - 2⁶ = 2715600266857 is a prime.

Together with 2715600266923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2715600266923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357800133460 + 1357800133461.

It is an arithmetic number, because the mean of its divisors is an integer number (1357800133461).

Almost surely, 2^{2715600266921} is an apocalyptic number.

It is an amenable number.

2715600266921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2715600266921 is an equidigital number, since it uses as much as digits as its factorization.

2715600266921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 2715600266921 in words is "two trillion, seven hundred fifteen billion, six hundred million, two hundred sixty-six thousand, nine hundred twenty-one".