990419147519 has 2 divisors, whose sum is σ = 990419147520. Its totient is φ = 990419147518.

The previous prime is 990419147489. The next prime is 990419147563. The reversal of 990419147519 is 915741914099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 990419147519 - 2³⁶ = 921699670783 is a prime.

It is a super-2 number, since 2×990419147519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990419141519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495209573759 + 495209573760.

It is an arithmetic number, because the mean of its divisors is an integer number (495209573760).

Almost surely, 2^990419147519 is an apocalyptic number.

990419147519 is a deficient number, since it is larger than the sum of its proper divisors (1).

990419147519 is an equidigital number, since it uses as much as digits as its factorization.

990419147519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 59.

The spelling of 990419147519 in words is "nine hundred ninety billion, four hundred nineteen million, one hundred forty-seven thousand, five hundred nineteen".