17139775064490 has 640 divisors, whose sum is σ = 51928363872000. Its totient is φ = 4029630197760.

The previous prime is 17139775064453. The next prime is 17139775064501. The reversal of 17139775064490 is 9446057793171.

17139775064490 is a `hidden beast` number, since 1 + 7 + 1 + 3 + 97 + 7 + 50 + 6 + 4 + 490 = 666.

17139775064490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×17139775064490² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 3145487286 + ... + 3145492734.

It is an arithmetic number, because the mean of its divisors is an integer number (81138068550).

Almost surely, 2^{17139775064490} is an apocalyptic number.

17139775064490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 17139775064490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25964181936000).

17139775064490 is an abundant number, since it is smaller than the sum of its proper divisors (34788588807510).

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

17139775064490 is a wasteful number, since it uses less digits than its factorization.

17139775064490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 17139775064490 in words is "seventeen trillion, one hundred thirty-nine billion, seven hundred seventy-five million, sixty-four thousand, four hundred ninety".