1492903490 has 16 divisors (see below), whose sum is σ = 2893936248. Its totient is φ = 551225856.

The previous prime is 1492903459. The next prime is 1492903493. The reversal of 1492903490 is 943092941.

It can be written as a sum of positive squares in 4 ways, for example, as 1372628401 + 120275089 = 37049^2 + 10967^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1492903493) 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, 5741807 + ... + 5742066.

Almost surely, 2^1492903490 is an apocalyptic number.

1492903490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1492903490 is a deficient number, since it is larger than the sum of its proper divisors (1401032758).

1492903490 is a wasteful number, since it uses less digits than its factorization.

1492903490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483893.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1492903490 is about 38638.1092963929. The cubic root of 1492903490 is about 1142.9061713118.

The spelling of 1492903490 in words is "one billion, four hundred ninety-two million, nine hundred three thousand, four hundred ninety".