2147692438 has 4 divisors (see below), whose sum is σ = 3221538660. Its totient is φ = 1073846218.

The previous prime is 2147692403. The next prime is 2147692451. The reversal of 2147692438 is 8342967412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2147692438² = 9225165616484767688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536923108 + ... + 536923111.

It is an arithmetic number, because the mean of its divisors is an integer number (805384665).

Almost surely, 2^2147692438 is an apocalyptic number.

2147692438 is a deficient number, since it is larger than the sum of its proper divisors (1073846222).

2147692438 is a wasteful number, since it uses less digits than its factorization.

2147692438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073846221.

The product of its digits is 580608, while the sum is 46.

The square root of 2147692438 is about 46343.2027162560. The cubic root of 2147692438 is about 1290.2009658260.

The spelling of 2147692438 in words is "two billion, one hundred forty-seven million, six hundred ninety-two thousand, four hundred thirty-eight".