2164252393 has 8 divisors (see below), whose sum is σ = 2215829088. Its totient is φ = 2112732384.

The previous prime is 2164252333. The next prime is 2164252417. The reversal of 2164252393 is 3932524612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164252393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164252313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68805 + ... + 95197.

It is an arithmetic number, because the mean of its divisors is an integer number (276978636).

Almost surely, 2^2164252393 is an apocalyptic number.

It is an amenable number.

2164252393 is a deficient number, since it is larger than the sum of its proper divisors (51576695).

2164252393 is a wasteful number, since it uses less digits than its factorization.

2164252393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28343.

The product of its digits is 77760, while the sum is 37.

The square root of 2164252393 is about 46521.5261250101. The cubic root of 2164252393 is about 1293.5085452670.

The spelling of 2164252393 in words is "two billion, one hundred sixty-four million, two hundred fifty-two thousand, three hundred ninety-three".