1499229931 has 2 divisors, whose sum is σ = 1499229932. Its totient is φ = 1499229930.

The previous prime is 1499229929. The next prime is 1499229971. The reversal of 1499229931 is 1399229941.

It is a weak prime.

It is an emirp because it is prime and its reverse (1399229941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1499229931 - 2¹ = 1499229929 is a prime.

It is a super-2 number, since 2×1499229931² = 4495380772012529522, which contains 22 as substring.

Together with 1499229929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1499229971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749614965 + 749614966.

It is an arithmetic number, because the mean of its divisors is an integer number (749614966).

Almost surely, 2^1499229931 is an apocalyptic number.

1499229931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499229931 is an equidigital number, since it uses as much as digits as its factorization.

1499229931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 1499229931 is about 38719.8906377588. The cubic root of 1499229931 is about 1144.5183181434.

The spelling of 1499229931 in words is "one billion, four hundred ninety-nine million, two hundred twenty-nine thousand, nine hundred thirty-one".