5624842138 has 4 divisors (see below), whose sum is σ = 8437263210. Its totient is φ = 2812421068.

The previous prime is 5624842127. The next prime is 5624842163. The reversal of 5624842138 is 8312484265.

It is a happy number.

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., 3634522369 + 1990319769 = 60287^2 + 44613^2 .

It is a super-2 number, since 2×5624842138² = 63277698154840822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5624842094 and 5624842103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406210533 + ... + 1406210536.

Almost surely, 2^5624842138 is an apocalyptic number.

5624842138 is a deficient number, since it is larger than the sum of its proper divisors (2812421072).

5624842138 is a wasteful number, since it uses less digits than its factorization.

5624842138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812421071.

The product of its digits is 368640, while the sum is 43.

The square root of 5624842138 is about 74998.9475792827. The cubic root of 5624842138 is about 1778.4300151030.

The spelling of 5624842138 in words is "five billion, six hundred twenty-four million, eight hundred forty-two thousand, one hundred thirty-eight".