2647420051 has 2 divisors, whose sum is σ = 2647420052. Its totient is φ = 2647420050.

The previous prime is 2647420007. The next prime is 2647420073. The reversal of 2647420051 is 1500247462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2647420051 - 2⁷ = 2647419923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2647419995 and 2647420022.

It is not a weakly prime, because it can be changed into another prime (2647420091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323710025 + 1323710026.

It is an arithmetic number, because the mean of its divisors is an integer number (1323710026).

Almost surely, 2^2647420051 is an apocalyptic number.

2647420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647420051 is an equidigital number, since it uses as much as digits as its factorization.

2647420051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2647420051 is about 51453.0859230037. The cubic root of 2647420051 is about 1383.3782755161.

The spelling of 2647420051 in words is "two billion, six hundred forty-seven million, four hundred twenty thousand, fifty-one".