15490799963 has 2 divisors, whose sum is σ = 15490799964. Its totient is φ = 15490799962.

The previous prime is 15490799939. The next prime is 15490800011. The reversal of 15490799963 is 36999709451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15490799963 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 15490799896 and 15490799905.

It is not a weakly prime, because it can be changed into another prime (15490799903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7745399981 + 7745399982.

It is an arithmetic number, because the mean of its divisors is an integer number (7745399982).

Almost surely, 2^15490799963 is an apocalyptic number.

15490799963 is a deficient number, since it is larger than the sum of its proper divisors (1).

15490799963 is an equidigital number, since it uses as much as digits as its factorization.

15490799963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16533720, while the sum is 62.

The spelling of 15490799963 in words is "fifteen billion, four hundred ninety million, seven hundred ninety-nine thousand, nine hundred sixty-three".