2117964146 has 8 divisors (see below), whose sum is σ = 3182820204. Its totient is φ = 1057024080.

The previous prime is 2117964119. The next prime is 2117964157. The reversal of 2117964146 is 6414697112.

It can be written as a sum of positive squares in 2 ways, for example, as 2107819921 + 10144225 = 45911^2 + 3185^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977645 + ... + 979808.

Almost surely, 2^2117964146 is an apocalyptic number.

2117964146 is a deficient number, since it is larger than the sum of its proper divisors (1064856058).

2117964146 is a wasteful number, since it uses less digits than its factorization.

2117964146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957996.

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

The square root of 2117964146 is about 46021.3444610216. The cubic root of 2117964146 is about 1284.2203117820.

The spelling of 2117964146 in words is "two billion, one hundred seventeen million, nine hundred sixty-four thousand, one hundred forty-six".