1509699860082 has 18 divisors (see below), whose sum is σ = 3271027658223. Its totient is φ = 503231549052.

The previous prime is 1509699860047. The next prime is 1509699860083. The reversal of 1509699860082 is 2800689969051.

1509699860082 is a `hidden beast` number, since 1 + 509 + 69 + 9 + 8 + 60 + 0 + 8 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 754849930041 + 754849930041 = 868821^2 + 868821^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=868821.

It is a super-2 number, since 2×1509699860082² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1509699860083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5068123 + ... + 5357729.

Almost surely, 2^{1509699860082} is an apocalyptic number.

1509699860082 is an abundant number, since it is smaller than the sum of its proper divisors (1761327798141).

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

1509699860082 is an frugal number, since it uses more digits than its factorization.

1509699860082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579222 (or 289612 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 1509699860082 in words is "one trillion, five hundred nine billion, six hundred ninety-nine million, eight hundred sixty thousand, eighty-two".