17309899045 has 16 divisors (see below), whose sum is σ = 21085999488. Its totient is φ = 13638905280.

The previous prime is 17309899037. The next prime is 17309899049. The reversal of 17309899045 is 54099890371.

It is not a de Polignac number, because 17309899045 - 2³ = 17309899037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17309899049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329482 + ... + 378388.

It is an arithmetic number, because the mean of its divisors is an integer number (1317874968).

Almost surely, 2^17309899045 is an apocalyptic number.

It is an amenable number.

17309899045 is a deficient number, since it is larger than the sum of its proper divisors (3776100443).

17309899045 is an equidigital number, since it uses as much as digits as its factorization.

17309899045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49980.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 17309899045 in words is "seventeen billion, three hundred nine million, eight hundred ninety-nine thousand, forty-five".