2172312698 has 8 divisors (see below), whose sum is σ = 3346535892. Its totient is φ = 1056800736.

The previous prime is 2172312679. The next prime is 2172312707. The reversal of 2172312698 is 8962132712.

It can be written as a sum of positive squares in 2 ways, for example, as 2165692369 + 6620329 = 46537^2 + 2573^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14677715 + ... + 14677862.

Almost surely, 2^2172312698 is an apocalyptic number.

2172312698 is a deficient number, since it is larger than the sum of its proper divisors (1174223194).

2172312698 is a wasteful number, since it uses less digits than its factorization.

2172312698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29355616.

The product of its digits is 72576, while the sum is 41.

The square root of 2172312698 is about 46608.0754590876. The cubic root of 2172312698 is about 1295.1123564953.

The spelling of 2172312698 in words is "two billion, one hundred seventy-two million, three hundred twelve thousand, six hundred ninety-eight".