2149051700899 has 2 divisors, whose sum is σ = 2149051700900. Its totient is φ = 2149051700898.

The previous prime is 2149051700881. The next prime is 2149051700903. The reversal of 2149051700899 is 9980071509412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149051700899 - 2²⁵ = 2149018146467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2149051700839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074525850449 + 1074525850450.

It is an arithmetic number, because the mean of its divisors is an integer number (1074525850450).

Almost surely, 2^{2149051700899} is an apocalyptic number.

2149051700899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149051700899 is an equidigital number, since it uses as much as digits as its factorization.

2149051700899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 2149051700899 in words is "two trillion, one hundred forty-nine billion, fifty-one million, seven hundred thousand, eight hundred ninety-nine".