990419147563 has 2 divisors, whose sum is σ = 990419147564. Its totient is φ = 990419147562.

The previous prime is 990419147519. The next prime is 990419147593. The reversal of 990419147563 is 365741914099.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990419147563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990419147498 and 990419147507.

It is not a weakly prime, because it can be changed into another prime (990419147593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495209573781 + 495209573782.

It is an arithmetic number, because the mean of its divisors is an integer number (495209573782).

Almost surely, 2^990419147563 is an apocalyptic number.

990419147563 is a deficient number, since it is larger than the sum of its proper divisors (1).

990419147563 is an equidigital number, since it uses as much as digits as its factorization.

990419147563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 990419147563 in words is "nine hundred ninety billion, four hundred nineteen million, one hundred forty-seven thousand, five hundred sixty-three".