345353447638 has 16 divisors (see below), whose sum is σ = 520507352880. Its totient is φ = 171852189696.

The previous prime is 345353447627. The next prime is 345353447641. The reversal of 345353447638 is 836744353543.

It is a congruent number.

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, 282745 + ... + 877867.

It is an arithmetic number, because the mean of its divisors is an integer number (32531709555).

Almost surely, 2^345353447638 is an apocalyptic number.

345353447638 is a deficient number, since it is larger than the sum of its proper divisors (175153905242).

345353447638 is a wasteful number, since it uses less digits than its factorization.

345353447638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596511.

The product of its digits is 43545600, while the sum is 55.

The spelling of 345353447638 in words is "three hundred forty-five billion, three hundred fifty-three million, four hundred forty-seven thousand, six hundred thirty-eight".