345604621915 has 8 divisors (see below), whose sum is σ = 473972052960. Its totient is φ = 236986026432.

The previous prime is 345604621891. The next prime is 345604621933. The reversal of 345604621915 is 519126406543.

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 345604621915 - 2⁷ = 345604621787 is a prime.

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, 4937208850 + ... + 4937208919.

It is an arithmetic number, because the mean of its divisors is an integer number (59246506620).

Almost surely, 2^345604621915 is an apocalyptic number.

345604621915 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345604621915 is a deficient number, since it is larger than the sum of its proper divisors (128367431045).

345604621915 is an equidigital number, since it uses as much as digits as its factorization.

345604621915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874417781.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 345604621915 in words is "three hundred forty-five billion, six hundred four million, six hundred twenty-one thousand, nine hundred fifteen".