2187364051 has 2 divisors, whose sum is σ = 2187364052. Its totient is φ = 2187364050.

The previous prime is 2187364031. The next prime is 2187364073. The reversal of 2187364051 is 1504637812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2187364051 - 2¹⁵ = 2187331283 is a prime.

It is a super-2 number, since 2×2187364051² = 9569122983214261202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2187364051.

It is not a weakly prime, because it can be changed into another prime (2187364031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093682025 + 1093682026.

It is an arithmetic number, because the mean of its divisors is an integer number (1093682026).

Almost surely, 2^2187364051 is an apocalyptic number.

2187364051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187364051 is an equidigital number, since it uses as much as digits as its factorization.

2187364051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2187364051 is about 46769.2639561497. The cubic root of 2187364051 is about 1298.0966329293.

The spelling of 2187364051 in words is "two billion, one hundred eighty-seven million, three hundred sixty-four thousand, fifty-one".