2117549698 has 16 divisors (see below), whose sum is σ = 3466149120. Its totient is φ = 962226000.

The previous prime is 2117549641. The next prime is 2117549713. The reversal of 2117549698 is 8969457112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68623 + ... + 94573.

It is an arithmetic number, because the mean of its divisors is an integer number (216634320).

Almost surely, 2^2117549698 is an apocalyptic number.

2117549698 is a deficient number, since it is larger than the sum of its proper divisors (1348599422).

2117549698 is a wasteful number, since it uses less digits than its factorization.

2117549698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29673.

The product of its digits is 1088640, while the sum is 52.

The square root of 2117549698 is about 46016.8414604914. The cubic root of 2117549698 is about 1284.1365399420.

The spelling of 2117549698 in words is "two billion, one hundred seventeen million, five hundred forty-nine thousand, six hundred ninety-eight".