1499782318336 has 27 divisors (see below), whose sum is σ = 2993745224953. Its totient is φ = 749881361920.

The previous prime is 1499782318283. The next prime is 1499782318373. The reversal of 1499782318336 is 6338132879941.

The square root of 1499782318336 is 1224656.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 294353991936 + 1205428326400 = 542544^2 + 1097920^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19556226 + ... + 19632766.

Almost surely, 2^{1499782318336} is an apocalyptic number.

1499782318336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1499782318336 is the 1224656-th square number.

It is an amenable number.

1499782318336 is a deficient number, since it is larger than the sum of its proper divisors (1493962906617).

1499782318336 is an frugal number, since it uses more digits than its factorization.

1499782318336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153098 (or 76543 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 64.

Multiplying 1499782318336 by its sum of digits (64), we get a square (95986068373504 = 9797248²).

1499782318336 divided by its sum of digits (64) gives a square (23434098724 = 153082²).

The spelling of 1499782318336 in words is "one trillion, four hundred ninety-nine billion, seven hundred eighty-two million, three hundred eighteen thousand, three hundred thirty-six".