2630434787 has 2 divisors, whose sum is σ = 2630434788. Its totient is φ = 2630434786.

The previous prime is 2630434777. The next prime is 2630434799. The reversal of 2630434787 is 7874340362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2630434787 - 2¹⁰ = 2630433763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2630434777) 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, 1315217393 + 1315217394.

It is an arithmetic number, because the mean of its divisors is an integer number (1315217394).

Almost surely, 2^2630434787 is an apocalyptic number.

2630434787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630434787 is an equidigital number, since it uses as much as digits as its factorization.

2630434787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 2630434787 is about 51287.7644960277. The cubic root of 2630434787 is about 1380.4134424245.

The spelling of 2630434787 in words is "two billion, six hundred thirty million, four hundred thirty-four thousand, seven hundred eighty-seven".