1499406903 has 8 divisors (see below), whose sum is σ = 2221343600. Its totient is φ = 999604584.

The previous prime is 1499406899. The next prime is 1499406917. The reversal of 1499406903 is 3096049941.

It is not a de Polignac number, because 1499406903 - 2² = 1499406899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499402903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27766768 + ... + 27766821.

It is an arithmetic number, because the mean of its divisors is an integer number (277667950).

Almost surely, 2^1499406903 is an apocalyptic number.

1499406903 is a deficient number, since it is larger than the sum of its proper divisors (721936697).

1499406903 is an equidigital number, since it uses as much as digits as its factorization.

1499406903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55533598 (or 55533592 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1499406903 is about 38722.1758557032. The cubic root of 1499406903 is about 1144.5633500900.

The spelling of 1499406903 in words is "one billion, four hundred ninety-nine million, four hundred six thousand, nine hundred three".