17097021490 has 8 divisors (see below), whose sum is σ = 30774638700. Its totient is φ = 6838808592.

The previous prime is 17097021479. The next prime is 17097021497. The reversal of 17097021490 is 9412079071.

It can be written as a sum of positive squares in 2 ways, for example, as 16095235689 + 1001785801 = 126867^2 + 31651^2 .

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

It is not an unprimeable number, because it can be changed into a prime (17097021497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854851065 + ... + 854851084.

Almost surely, 2^17097021490 is an apocalyptic number.

17097021490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17097021490 is a deficient number, since it is larger than the sum of its proper divisors (13677617210).

17097021490 is a wasteful number, since it uses less digits than its factorization.

17097021490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709702156.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 17097021490 in words is "seventeen billion, ninety-seven million, twenty-one thousand, four hundred ninety".