5618347657 has 8 divisors (see below), whose sum is σ = 6053939136. Its totient is φ = 5183243472.

The previous prime is 5618347639. The next prime is 5618347661. The reversal of 5618347657 is 7567438165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5618347657 - 2⁷ = 5618347529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618347687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97693 + ... + 144154.

It is an arithmetic number, because the mean of its divisors is an integer number (756742392).

Almost surely, 2^5618347657 is an apocalyptic number.

It is an amenable number.

5618347657 is a deficient number, since it is larger than the sum of its proper divisors (435591479).

5618347657 is a wasteful number, since it uses less digits than its factorization.

5618347657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243647.

The product of its digits is 4233600, while the sum is 52.

The square root of 5618347657 is about 74955.6379267097. The cubic root of 5618347657 is about 1777.7452890407.

The spelling of 5618347657 in words is "five billion, six hundred eighteen million, three hundred forty-seven thousand, six hundred fifty-seven".