90190002739 has 2 divisors, whose sum is σ = 90190002740. Its totient is φ = 90190002738.

The previous prime is 90190002677. The next prime is 90190002767. The reversal of 90190002739 is 93720009109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90190002739 - 2²⁵ = 90156448307 is a prime.

It is not a weakly prime, because it can be changed into another prime (90190002779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45095001369 + 45095001370.

It is an arithmetic number, because the mean of its divisors is an integer number (45095001370).

Almost surely, 2^90190002739 is an apocalyptic number.

90190002739 is a deficient number, since it is larger than the sum of its proper divisors (1).

90190002739 is an equidigital number, since it uses as much as digits as its factorization.

90190002739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The spelling of 90190002739 in words is "ninety billion, one hundred ninety million, two thousand, seven hundred thirty-nine".