17990846093 has 16 divisors (see below), whose sum is σ = 19830666240. Its totient is φ = 16185764400.

The previous prime is 17990846059. The next prime is 17990846101. The reversal of 17990846093 is 39064809971.

It is a cyclic number.

It is not a de Polignac number, because 17990846093 - 2¹⁴ = 17990829709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17990843093) 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, 511838 + ... + 545856.

It is an arithmetic number, because the mean of its divisors is an integer number (1239416640).

Almost surely, 2^17990846093 is an apocalyptic number.

It is an amenable number.

17990846093 is a deficient number, since it is larger than the sum of its proper divisors (1839820147).

17990846093 is a wasteful number, since it uses less digits than its factorization.

17990846093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34528.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 17990846093 in words is "seventeen billion, nine hundred ninety million, eight hundred forty-six thousand, ninety-three".