345404651812 has 24 divisors (see below), whose sum is σ = 659792179872. Its totient is φ = 156910852800.

The previous prime is 345404651797. The next prime is 345404651827. The reversal of 345404651812 is 218156404543.

It is an interprime number because it is at equal distance from previous prime (345404651797) and next prime (345404651827).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 2204958 + ... + 2356405.

It is an arithmetic number, because the mean of its divisors is an integer number (27491340828).

Almost surely, 2^345404651812 is an apocalyptic number.

It is an amenable number.

345404651812 is a deficient number, since it is larger than the sum of its proper divisors (314387528060).

345404651812 is a wasteful number, since it uses less digits than its factorization.

345404651812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563099 (or 4563097 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 345404651812 in words is "three hundred forty-five billion, four hundred four million, six hundred fifty-one thousand, eight hundred twelve".