90190019113 has 2 divisors, whose sum is σ = 90190019114. Its totient is φ = 90190019112.

The previous prime is 90190019093. The next prime is 90190019159. The reversal of 90190019113 is 31191009109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48552800409 + 41637218704 = 220347^2 + 204052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90190019113 is a prime.

It is not a weakly prime, because it can be changed into another prime (90190019173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45095009556 + 45095009557.

It is an arithmetic number, because the mean of its divisors is an integer number (45095009557).

Almost surely, 2^90190019113 is an apocalyptic number.

It is an amenable number.

90190019113 is a deficient number, since it is larger than the sum of its proper divisors (1).

90190019113 is an equidigital number, since it uses as much as digits as its factorization.

90190019113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 90190019113 in words is "ninety billion, one hundred ninety million, nineteen thousand, one hundred thirteen".