2801810051 has 2 divisors, whose sum is σ = 2801810052. Its totient is φ = 2801810050.

The previous prime is 2801810029. The next prime is 2801810057. The reversal of 2801810051 is 1500181082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2801810051 - 2⁶ = 2801809987 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2801810051.

It is not a weakly prime, because it can be changed into another prime (2801810057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400905025 + 1400905026.

It is an arithmetic number, because the mean of its divisors is an integer number (1400905026).

Almost surely, 2^2801810051 is an apocalyptic number.

2801810051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801810051 is an equidigital number, since it uses as much as digits as its factorization.

2801810051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 2801810051 is about 52932.1268323879. The cubic root of 2801810051 is about 1409.7633945658.

The spelling of 2801810051 in words is "two billion, eight hundred one million, eight hundred ten thousand, fifty-one".