3688420051 has 2 divisors, whose sum is σ = 3688420052. Its totient is φ = 3688420050.

The previous prime is 3688420039. The next prime is 3688420061. The reversal of 3688420051 is 1500248863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3688420051 - 2⁷ = 3688419923 is a prime.

It is not a weakly prime, because it can be changed into another prime (3688420061) 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, 1844210025 + 1844210026.

It is an arithmetic number, because the mean of its divisors is an integer number (1844210026).

Almost surely, 2^3688420051 is an apocalyptic number.

3688420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688420051 is an equidigital number, since it uses as much as digits as its factorization.

3688420051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 3688420051 is about 60732.3641150252. The cubic root of 3688420051 is about 1545.0651307713.

The spelling of 3688420051 in words is "three billion, six hundred eighty-eight million, four hundred twenty thousand, fifty-one".