618969023464 has 32 divisors (see below), whose sum is σ = 1266531062400. Its totient is φ = 281247765120.

The previous prime is 618969023459. The next prime is 618969023467. The reversal of 618969023464 is 464320969816.

It is a junction number, because it is equal to n+sod(n) for n = 618969023399 and 618969023408.

It is not an unprimeable number, because it can be changed into a prime (618969023467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027509 + ... + 1514500.

It is an arithmetic number, because the mean of its divisors is an integer number (39579095700).

Almost surely, 2^618969023464 is an apocalyptic number.

It is an amenable number.

618969023464 is an abundant number, since it is smaller than the sum of its proper divisors (647562038936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618969023464 is a wasteful number, since it uses less digits than its factorization.

618969023464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544793 (or 2544789 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 618969023464 in words is "six hundred eighteen billion, nine hundred sixty-nine million, twenty-three thousand, four hundred sixty-four".