2670099710921 has 2 divisors, whose sum is σ = 2670099710922. Its totient is φ = 2670099710920.

The previous prime is 2670099710893. The next prime is 2670099710933. The reversal of 2670099710921 is 1290179900762.

2670099710921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2598992155321 + 71107555600 = 1612139^2 + 266660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670099710921 - 2⁶ = 2670099710857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2670099710951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335049855460 + 1335049855461.

It is an arithmetic number, because the mean of its divisors is an integer number (1335049855461).

Almost surely, 2^{2670099710921} is an apocalyptic number.

It is an amenable number.

2670099710921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670099710921 is an equidigital number, since it uses as much as digits as its factorization.

2670099710921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 2670099710921 in words is "two trillion, six hundred seventy billion, ninety-nine million, seven hundred ten thousand, nine hundred twenty-one".