618718934841 has 32 divisors (see below), whose sum is σ = 952558092288. Its totient is φ = 349916871360.

The previous prime is 618718934833. The next prime is 618718934849. The reversal of 618718934841 is 148439817816.

It is an interprime number because it is at equal distance from previous prime (618718934833) and next prime (618718934849).

It is not a de Polignac number, because 618718934841 - 2³ = 618718934833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (618718934849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398656 + ... + 1181678.

It is an arithmetic number, because the mean of its divisors is an integer number (29767440384).

Almost surely, 2^618718934841 is an apocalyptic number.

It is an amenable number.

618718934841 is a deficient number, since it is larger than the sum of its proper divisors (333839157447).

618718934841 is a wasteful number, since it uses less digits than its factorization.

618718934841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783421.

The product of its digits is 9289728, while the sum is 60.

The spelling of 618718934841 in words is "six hundred eighteen billion, seven hundred eighteen million, nine hundred thirty-four thousand, eight hundred forty-one".