2551212645299 has 4 divisors (see below), whose sum is σ = 2587145217840. Its totient is φ = 2515280072760.

The previous prime is 2551212645281. The next prime is 2551212645313. The reversal of 2551212645299 is 9925462121552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2551212645299 - 2⁸ = 2551212645043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551212645299.

It is not an unprimeable number, because it can be changed into a prime (2551212645209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17966286164 + ... + 17966286305.

It is an arithmetic number, because the mean of its divisors is an integer number (646786304460).

Almost surely, 2^{2551212645299} is an apocalyptic number.

2551212645299 is a deficient number, since it is larger than the sum of its proper divisors (35932572541).

2551212645299 is an equidigital number, since it uses as much as digits as its factorization.

2551212645299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35932572540.

The product of its digits is 3888000, while the sum is 53.

The spelling of 2551212645299 in words is "two trillion, five hundred fifty-one billion, two hundred twelve million, six hundred forty-five thousand, two hundred ninety-nine".