290915545093 has 2 divisors, whose sum is σ = 290915545094. Its totient is φ = 290915545092.

The previous prime is 290915545079. The next prime is 290915545171. The reversal of 290915545093 is 390545519092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290195535204 + 720009889 = 538698^2 + 26833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290915545093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290915545093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290915545033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145457772546 + 145457772547.

It is an arithmetic number, because the mean of its divisors is an integer number (145457772547).

Almost surely, 2^290915545093 is an apocalyptic number.

It is an amenable number.

290915545093 is a deficient number, since it is larger than the sum of its proper divisors (1).

290915545093 is an equidigital number, since it uses as much as digits as its factorization.

290915545093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The spelling of 290915545093 in words is "two hundred ninety billion, nine hundred fifteen million, five hundred forty-five thousand, ninety-three".