17499909099012 has 12 divisors (see below), whose sum is σ = 40833121231056. Its totient is φ = 5833303033000.

The previous prime is 17499909098869. The next prime is 17499909099017. The reversal of 17499909099012 is 21099090999471.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×17499909099012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17499909099017) 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 3 ways as a sum of consecutive naturals, for example, 729162879114 + ... + 729162879137.

It is an arithmetic number, because the mean of its divisors is an integer number (3402760102588).

Almost surely, 2^{17499909099012} is an apocalyptic number.

17499909099012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17499909099012 is an abundant number, since it is smaller than the sum of its proper divisors (23333212132044).

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

17499909099012 is a wasteful number, since it uses less digits than its factorization.

17499909099012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458325758258 (or 1458325758256 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 69.

The spelling of 17499909099012 in words is "seventeen trillion, four hundred ninety-nine billion, nine hundred nine million, ninety-nine thousand, twelve".