618114697 has 4 divisors (see below), whose sum is σ = 620346436. Its totient is φ = 615882960.

The previous prime is 618114691. The next prime is 618114703. The reversal of 618114697 is 796411816.

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

It is an interprime number because it is at equal distance from previous prime (618114691) and next prime (618114703).

It can be written as a sum of positive squares in 2 ways, for example, as 63936016 + 554178681 = 7996^2 + 23541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-618114697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618114691) 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, 1115454 + ... + 1116007.

It is an arithmetic number, because the mean of its divisors is an integer number (155086609).

Almost surely, 2^618114697 is an apocalyptic number.

It is an amenable number.

618114697 is a deficient number, since it is larger than the sum of its proper divisors (2231739).

618114697 is a wasteful number, since it uses less digits than its factorization.

618114697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231738.

The product of its digits is 72576, while the sum is 43.

The square root of 618114697 is about 24861.9125772737. The cubic root of 618114697 is about 851.8367189323.

The spelling of 618114697 in words is "six hundred eighteen million, one hundred fourteen thousand, six hundred ninety-seven".