1494995439 has 12 divisors (see below), whose sum is σ = 2318768664. Its totient is φ = 854283024.

The previous prime is 1494995417. The next prime is 1494995483. The reversal of 1494995439 is 9345994941.

It is a de Polignac number, because none of the positive numbers 2^k-1494995439 is a prime.

It is a super-2 number, since 2×1494995439² = 4470022725261605442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494995939) 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 in 11 ways as a sum of consecutive naturals, for example, 5084872 + ... + 5085165.

It is an arithmetic number, because the mean of its divisors is an integer number (193230722).

Almost surely, 2^1494995439 is an apocalyptic number.

1494995439 is a deficient number, since it is larger than the sum of its proper divisors (823773225).

1494995439 is a wasteful number, since it uses less digits than its factorization.

1494995439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170054 (or 10170047 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 57.

The square root of 1494995439 is about 38665.1708776775. The cubic root of 1494995439 is about 1143.4397591709.

The spelling of 1494995439 in words is "one billion, four hundred ninety-four million, nine hundred ninety-five thousand, four hundred thirty-nine".