2551045699 has 2 divisors, whose sum is σ = 2551045700. Its totient is φ = 2551045698.

The previous prime is 2551045633. The next prime is 2551045709. The reversal of 2551045699 is 9965401552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2551045699 - 2³¹ = 403562051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551045199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275522849 + 1275522850.

It is an arithmetic number, because the mean of its divisors is an integer number (1275522850).

Almost surely, 2^2551045699 is an apocalyptic number.

2551045699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551045699 is an equidigital number, since it uses as much as digits as its factorization.

2551045699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The square root of 2551045699 is about 50507.8775935002. The cubic root of 2551045699 is about 1366.3839316832.

The spelling of 2551045699 in words is "two billion, five hundred fifty-one million, forty-five thousand, six hundred ninety-nine".