618969862 has 12 divisors (see below), whose sum is σ = 1080039420. Its totient is φ = 265272756.

The previous prime is 618969853. The next prime is 618969877. The reversal of 618969862 is 268969816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3157912 + ... + 3158107.

It is an arithmetic number, because the mean of its divisors is an integer number (90003285).

Almost surely, 2^618969862 is an apocalyptic number.

618969862 is a deficient number, since it is larger than the sum of its proper divisors (461069558).

618969862 is a wasteful number, since it uses less digits than its factorization.

618969862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316035 (or 6316028 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The square root of 618969862 is about 24879.1049276295. The cubic root of 618969862 is about 852.2293781298.

The spelling of 618969862 in words is "six hundred eighteen million, nine hundred sixty-nine thousand, eight hundred sixty-two".