1499236913 has 2 divisors, whose sum is σ = 1499236914. Its totient is φ = 1499236912.

The previous prime is 1499236891. The next prime is 1499236927. The reversal of 1499236913 is 3196329941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1495523584 + 3713329 = 38672^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1499236913 - 2¹⁸ = 1498974769 is a prime.

It is a super-2 number, since 2×1499236913² = 4495422642603539138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1499236943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749618456 + 749618457.

It is an arithmetic number, because the mean of its divisors is an integer number (749618457).

Almost surely, 2^1499236913 is an apocalyptic number.

It is an amenable number.

1499236913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499236913 is an equidigital number, since it uses as much as digits as its factorization.

1499236913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 47.

The square root of 1499236913 is about 38719.9807980324. The cubic root of 1499236913 is about 1144.5200948365.

The spelling of 1499236913 in words is "one billion, four hundred ninety-nine million, two hundred thirty-six thousand, nine hundred thirteen".