90291468983 has 2 divisors, whose sum is σ = 90291468984. Its totient is φ = 90291468982.

The previous prime is 90291468931. The next prime is 90291468997. The reversal of 90291468983 is 38986419209.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90291468983 is a prime.

It is a super-2 number, since 2×90291468983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90291468283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45145734491 + 45145734492.

It is an arithmetic number, because the mean of its divisors is an integer number (45145734492).

Almost surely, 2^90291468983 is an apocalyptic number.

90291468983 is a deficient number, since it is larger than the sum of its proper divisors (1).

90291468983 is an equidigital number, since it uses as much as digits as its factorization.

90291468983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 90291468983 in words is "ninety billion, two hundred ninety-one million, four hundred sixty-eight thousand, nine hundred eighty-three".