1031664920833 has 2 divisors, whose sum is σ = 1031664920834. Its totient is φ = 1031664920832.

The previous prime is 1031664920779. The next prime is 1031664920837. The reversal of 1031664920833 is 3380294661301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657991901889 + 373673018944 = 811167^2 + 611288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031664920833 - 2²⁵ = 1031631366401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031664920837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515832460416 + 515832460417.

It is an arithmetic number, because the mean of its divisors is an integer number (515832460417).

Almost surely, 2^{1031664920833} is an apocalyptic number.

It is an amenable number.

1031664920833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031664920833 is an equidigital number, since it uses as much as digits as its factorization.

1031664920833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 1031664920833 in words is "one trillion, thirty-one billion, six hundred sixty-four million, nine hundred twenty thousand, eight hundred thirty-three".