2347994669 has 4 divisors (see below), whose sum is σ = 2366482944. Its totient is φ = 2329506396.

The previous prime is 2347994659. The next prime is 2347994681. The reversal of 2347994669 is 9664997432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2347994669 - 2²⁸ = 2079559213 is a prime.

It is a super-2 number, since 2×2347994669² = 11026157931304839122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2347994609) 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, 9243947 + ... + 9244200.

It is an arithmetic number, because the mean of its divisors is an integer number (591620736).

Almost surely, 2^2347994669 is an apocalyptic number.

It is an amenable number.

2347994669 is a deficient number, since it is larger than the sum of its proper divisors (18488275).

2347994669 is a wasteful number, since it uses less digits than its factorization.

2347994669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488274.

The product of its digits is 17635968, while the sum is 59.

The square root of 2347994669 is about 48456.1107498322. The cubic root of 2347994669 is about 1329.1246183431.

The spelling of 2347994669 in words is "two billion, three hundred forty-seven million, nine hundred ninety-four thousand, six hundred sixty-nine".