2173713957 has 24 divisors (see below), whose sum is σ = 3186653184. Its totient is φ = 1427668704.

The previous prime is 2173713907. The next prime is 2173713961. The reversal of 2173713957 is 7593173712.

It is not a de Polignac number, because 2173713957 - 2¹² = 2173709861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173713907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176668 + ... + 188570.

It is an arithmetic number, because the mean of its divisors is an integer number (132777216).

Almost surely, 2^2173713957 is an apocalyptic number.

It is an amenable number.

2173713957 is a deficient number, since it is larger than the sum of its proper divisors (1012939227).

2173713957 is a wasteful number, since it uses less digits than its factorization.

2173713957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209 (or 12206 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 2173713957 is about 46623.1053985039. The cubic root of 2173713957 is about 1295.3907691098.

The spelling of 2173713957 in words is "two billion, one hundred seventy-three million, seven hundred thirteen thousand, nine hundred fifty-seven".