345421504870 has 96 divisors (see below), whose sum is σ = 676789719840. Its totient is φ = 126874874880.

The previous prime is 345421504823. The next prime is 345421504889. The reversal of 345421504870 is 78405124543.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 426973026 + ... + 426973834.

It is an arithmetic number, because the mean of its divisors is an integer number (7049892915).

Almost surely, 2^345421504870 is an apocalyptic number.

345421504870 is a deficient number, since it is larger than the sum of its proper divisors (331368214970).

345421504870 is a wasteful number, since it uses less digits than its factorization.

345421504870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 345421504870 in words is "three hundred forty-five billion, four hundred twenty-one million, five hundred four thousand, eight hundred seventy".