1499451563 has 2 divisors, whose sum is σ = 1499451564. Its totient is φ = 1499451562.

The previous prime is 1499451469. The next prime is 1499451589. The reversal of 1499451563 is 3651549941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1499451563 - 2²⁰ = 1498402987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1499457563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749725781 + 749725782.

It is an arithmetic number, because the mean of its divisors is an integer number (749725782).

Almost surely, 2^1499451563 is an apocalyptic number.

1499451563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499451563 is an equidigital number, since it uses as much as digits as its factorization.

1499451563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 1499451563 is about 38722.7525235487. The cubic root of 1499451563 is about 1144.5747136258.

The spelling of 1499451563 in words is "one billion, four hundred ninety-nine million, four hundred fifty-one thousand, five hundred sixty-three".