1499615947 has 2 divisors, whose sum is σ = 1499615948. Its totient is φ = 1499615946.

The previous prime is 1499615891. The next prime is 1499615969. The reversal of 1499615947 is 7495169941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1499615947 - 2¹⁵ = 1499583179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1499615977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749807973 + 749807974.

It is an arithmetic number, because the mean of its divisors is an integer number (749807974).

Almost surely, 2^1499615947 is an apocalyptic number.

1499615947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499615947 is an equidigital number, since it uses as much as digits as its factorization.

1499615947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 55.

The square root of 1499615947 is about 38724.8750417609. The cubic root of 1499615947 is about 1144.6165384501.

The spelling of 1499615947 in words is "one billion, four hundred ninety-nine million, six hundred fifteen thousand, nine hundred forty-seven".