1499564337489 has 45 divisors (see below), whose sum is σ = 2263763205099. Its totient is φ = 989254205280.

The previous prime is 1499564337451. The next prime is 1499564337529. The reversal of 1499564337489 is 9847334659941.

The square root of 1499564337489 is 1224567.

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

1499564337489 is a `hidden beast` number, since 1 + 4 + 99 + 56 + 4 + 3 + 3 + 7 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1388195299089 + 111369038400 = 1178217^2 + 333720^2 .

It is not a de Polignac number, because 1499564337489 - 2²³ = 1499555948881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1499564437489) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1135172949 + ... + 1135174269.

Almost surely, 2^{1499564337489} is an apocalyptic number.

1499564337489 is the 1224567-th square number.

1499564337489 is the 612284-th centered octagonal number.

It is an amenable number.

1499564337489 is a deficient number, since it is larger than the sum of its proper divisors (764198867610).

1499564337489 is an frugal number, since it uses more digits than its factorization.

1499564337489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 1427 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 72.

It can be divided in two parts, 14995 and 64337489, that added together give a square (64352484 = 8022²).

The spelling of 1499564337489 in words is "one trillion, four hundred ninety-nine billion, five hundred sixty-four million, three hundred thirty-seven thousand, four hundred eighty-nine".