4347742138 has 4 divisors (see below), whose sum is σ = 6521613210. Its totient is φ = 2173871068.

The previous prime is 4347742111. The next prime is 4347742177. The reversal of 4347742138 is 8312477434.

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

It can be written as a sum of positive squares in only one way, i.e., 4308215769 + 39526369 = 65637^2 + 6287^2 .

It is a super-2 number, since 2×4347742138² = 37805723397081622088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4347742094 and 4347742103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086935533 + ... + 1086935536.

Almost surely, 2^4347742138 is an apocalyptic number.

4347742138 is a deficient number, since it is larger than the sum of its proper divisors (2173871072).

4347742138 is a wasteful number, since it uses less digits than its factorization.

4347742138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173871071.

The product of its digits is 451584, while the sum is 43.

The square root of 4347742138 is about 65937.4107620249. The cubic root of 4347742138 is about 1632.1294183720.

The spelling of 4347742138 in words is "four billion, three hundred forty-seven million, seven hundred forty-two thousand, one hundred thirty-eight".