102990589433 has 2 divisors, whose sum is σ = 102990589434. Its totient is φ = 102990589432.

The previous prime is 102990589369. The next prime is 102990589483. The reversal of 102990589433 is 334985099201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55954956304 + 47035633129 = 236548^2 + 216877^2 .

It is a cyclic number.

It is not a de Polignac number, because 102990589433 - 2⁶ = 102990589369 is a prime.

It is a super-2 number, since 2×102990589433² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102990589483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51495294716 + 51495294717.

It is an arithmetic number, because the mean of its divisors is an integer number (51495294717).

Almost surely, 2^102990589433 is an apocalyptic number.

It is an amenable number.

102990589433 is a deficient number, since it is larger than the sum of its proper divisors (1).

102990589433 is an equidigital number, since it uses as much as digits as its factorization.

102990589433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 102990589433 in words is "one hundred two billion, nine hundred ninety million, five hundred eighty-nine thousand, four hundred thirty-three".