2851998451 has 2 divisors, whose sum is σ = 2851998452. Its totient is φ = 2851998450.

The previous prime is 2851998433. The next prime is 2851998497. The reversal of 2851998451 is 1548991582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2851998451 - 2⁷ = 2851998323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2851996451) 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 as a sum of consecutive naturals, namely, 1425999225 + 1425999226.

It is an arithmetic number, because the mean of its divisors is an integer number (1425999226).

Almost surely, 2^2851998451 is an apocalyptic number.

2851998451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851998451 is an equidigital number, since it uses as much as digits as its factorization.

2851998451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 52.

The square root of 2851998451 is about 53404.1051886463. The cubic root of 2851998451 is about 1418.1312538355.

The spelling of 2851998451 in words is "two billion, eight hundred fifty-one million, nine hundred ninety-eight thousand, four hundred fifty-one".