1630933898911 has 2 divisors, whose sum is σ = 1630933898912. Its totient is φ = 1630933898910.

The previous prime is 1630933898897. The next prime is 1630933898947. The reversal of 1630933898911 is 1198983390361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630933898911 - 2⁵ = 1630933898879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1630933898911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630933848911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815466949455 + 815466949456.

It is an arithmetic number, because the mean of its divisors is an integer number (815466949456).

Almost surely, 2^{1630933898911} is an apocalyptic number.

1630933898911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630933898911 is an equidigital number, since it uses as much as digits as its factorization.

1630933898911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 61.

The spelling of 1630933898911 in words is "one trillion, six hundred thirty billion, nine hundred thirty-three million, eight hundred ninety-eight thousand, nine hundred eleven".