1499735729568 has 48 divisors (see below), whose sum is σ = 3943513092960. Its totient is φ = 499060252416.

The previous prime is 1499735729543. The next prime is 1499735729587. The reversal of 1499735729568 is 8659275379941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1499735729568² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1499735729568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13250503 + ... + 13363206.

It is an arithmetic number, because the mean of its divisors is an integer number (82156522770).

Almost surely, 2^{1499735729568} is an apocalyptic number.

It is an amenable number.

1499735729568 is an abundant number, since it is smaller than the sum of its proper divisors (2443777363392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1499735729568 is a wasteful number, since it uses less digits than its factorization.

1499735729568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26614309 (or 26614301 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 75.

The spelling of 1499735729568 in words is "one trillion, four hundred ninety-nine billion, seven hundred thirty-five million, seven hundred twenty-nine thousand, five hundred sixty-eight".