30895790641 has 2 divisors, whose sum is σ = 30895790642. Its totient is φ = 30895790640.

The previous prime is 30895790623. The next prime is 30895790663. The reversal of 30895790641 is 14609759803.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23851713600 + 7044077041 = 154440^2 + 83929^2 .

It is a cyclic number.

It is not a de Polignac number, because 30895790641 - 2²¹ = 30893693489 is a prime.

It is not a weakly prime, because it can be changed into another prime (30895790141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15447895320 + 15447895321.

It is an arithmetic number, because the mean of its divisors is an integer number (15447895321).

Almost surely, 2^30895790641 is an apocalyptic number.

It is an amenable number.

30895790641 is a deficient number, since it is larger than the sum of its proper divisors (1).

30895790641 is an equidigital number, since it uses as much as digits as its factorization.

30895790641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 30895790641 in words is "thirty billion, eight hundred ninety-five million, seven hundred ninety thousand, six hundred forty-one".