345651321828 has 24 divisors (see below), whose sum is σ = 814350042688. Its totient is φ = 114098494176.

The previous prime is 345651321811. The next prime is 345651321859. The reversal of 345651321828 is 828123156543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139825351 + ... + 139827822.

Almost surely, 2^345651321828 is an apocalyptic number.

It is an amenable number.

345651321828 is an abundant number, since it is smaller than the sum of its proper divisors (468698720860).

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

345651321828 is a wasteful number, since it uses less digits than its factorization.

345651321828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279653283 (or 279653281 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 345651321828 in words is "three hundred forty-five billion, six hundred fifty-one million, three hundred twenty-one thousand, eight hundred twenty-eight".