2118392342 has 8 divisors (see below), whose sum is σ = 3466460232. Its totient is φ = 962905600.

The previous prime is 2118392333. The next prime is 2118392357. The reversal of 2118392342 is 2432938112.

It is a happy number.

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

It is a super-2 number, since 2×2118392342² = 8975172229288489928, 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 in 3 ways as a sum of consecutive naturals, for example, 48145259 + ... + 48145302.

It is an arithmetic number, because the mean of its divisors is an integer number (433307529).

Almost surely, 2^2118392342 is an apocalyptic number.

2118392342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2118392342 is a deficient number, since it is larger than the sum of its proper divisors (1348067890).

2118392342 is a wasteful number, since it uses less digits than its factorization.

2118392342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96290574.

The product of its digits is 20736, while the sum is 35.

The square root of 2118392342 is about 46025.9963716159. The cubic root of 2118392342 is about 1284.3068510100.

The spelling of 2118392342 in words is "two billion, one hundred eighteen million, three hundred ninety-two thousand, three hundred forty-two".