17090661431 has 8 divisors (see below), whose sum is σ = 17253165600. Its totient is φ = 16928261280.

The previous prime is 17090661409. The next prime is 17090661439. The reversal of 17090661431 is 13416609071.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17090661431 is a prime.

It is a super-2 number, since 2×17090661431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17090661439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326750 + ... + 375428.

It is an arithmetic number, because the mean of its divisors is an integer number (2156645700).

Almost surely, 2^17090661431 is an apocalyptic number.

17090661431 is a deficient number, since it is larger than the sum of its proper divisors (162504169).

17090661431 is a wasteful number, since it uses less digits than its factorization.

17090661431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52009.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 17090661431 in words is "seventeen billion, ninety million, six hundred sixty-one thousand, four hundred thirty-one".