5618712739 has 4 divisors (see below), whose sum is σ = 5638708440. Its totient is φ = 5598717040.

The previous prime is 5618712733. The next prime is 5618712761. The reversal of 5618712739 is 9372178165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5618712739 - 2¹⁷ = 5618581667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5618712692 and 5618712701.

It is not an unprimeable number, because it can be changed into a prime (5618712733) 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, 9997429 + ... + 9997990.

It is an arithmetic number, because the mean of its divisors is an integer number (1409677110).

Almost surely, 2^5618712739 is an apocalyptic number.

5618712739 is a deficient number, since it is larger than the sum of its proper divisors (19995701).

5618712739 is a wasteful number, since it uses less digits than its factorization.

5618712739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995700.

The product of its digits is 635040, while the sum is 49.

The square root of 5618712739 is about 74958.0732076272. The cubic root of 5618712739 is about 1777.7837943562.

The spelling of 5618712739 in words is "five billion, six hundred eighteen million, seven hundred twelve thousand, seven hundred thirty-nine".