2628190725631 has 2 divisors, whose sum is σ = 2628190725632. Its totient is φ = 2628190725630.

The previous prime is 2628190725617. The next prime is 2628190725647. The reversal of 2628190725631 is 1365270918262.

2628190725631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628190725631 is a prime.

It is a super-2 number, since 2×2628190725631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628190425631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314095362815 + 1314095362816.

It is an arithmetic number, because the mean of its divisors is an integer number (1314095362816).

Almost surely, 2^{2628190725631} is an apocalyptic number.

2628190725631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628190725631 is an equidigital number, since it uses as much as digits as its factorization.

2628190725631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 2628190725631 in words is "two trillion, six hundred twenty-eight billion, one hundred ninety million, seven hundred twenty-five thousand, six hundred thirty-one".