345418913521 has 8 divisors (see below), whose sum is σ = 377005464000. Its totient is φ = 313863168240.

The previous prime is 345418913503. The next prime is 345418913603. The reversal of 345418913521 is 125319814543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345418913521 - 2⁹ = 345418913009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345418913501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7677846 + ... + 7722703.

It is an arithmetic number, because the mean of its divisors is an integer number (47125683000).

Almost surely, 2^345418913521 is an apocalyptic number.

It is an amenable number.

345418913521 is a deficient number, since it is larger than the sum of its proper divisors (31586550479).

345418913521 is a wasteful number, since it uses less digits than its factorization.

345418913521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402599.

The product of its digits is 518400, while the sum is 46.

The spelling of 345418913521 in words is "three hundred forty-five billion, four hundred eighteen million, nine hundred thirteen thousand, five hundred twenty-one".