1516249959 has 32 divisors (see below), whose sum is σ = 2389770240. Its totient is φ = 836805600.

The previous prime is 1516249957. The next prime is 1516249963. The reversal of 1516249959 is 9599426151.

It is not a de Polignac number, because 1516249959 - 2¹ = 1516249957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516249957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369682 + ... + 373760.

It is an arithmetic number, because the mean of its divisors is an integer number (74680320).

Almost surely, 2^1516249959 is an apocalyptic number.

1516249959 is a deficient number, since it is larger than the sum of its proper divisors (873520281).

1516249959 is a wasteful number, since it uses less digits than its factorization.

1516249959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its digits is 874800, while the sum is 51.

The square root of 1516249959 is about 38939.0544184113. The cubic root of 1516249959 is about 1148.8330844996.

The spelling of 1516249959 in words is "one billion, five hundred sixteen million, two hundred forty-nine thousand, nine hundred fifty-nine".