2117695144 has 16 divisors (see below), whose sum is σ = 3971167200. Its totient is φ = 1058717232.

The previous prime is 2117695127. The next prime is 2117695147. The reversal of 2117695144 is 4415967112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2117695097 and 2117695106.

It is not an unprimeable number, because it can be changed into a prime (2117695147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114837 + ... + 131995.

It is an arithmetic number, because the mean of its divisors is an integer number (248197950).

Almost surely, 2^2117695144 is an apocalyptic number.

It is an amenable number.

2117695144 is a deficient number, since it is larger than the sum of its proper divisors (1853472056).

2117695144 is a wasteful number, since it uses less digits than its factorization.

2117695144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32592 (or 32588 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 2117695144 is about 46018.4217895399. The cubic root of 2117695144 is about 1284.1659399993.

The spelling of 2117695144 in words is "two billion, one hundred seventeen million, six hundred ninety-five thousand, one hundred forty-four".