345659720322 has 16 divisors (see below), whose sum is σ = 790079360832. Its totient is φ = 98759920080.

The previous prime is 345659720309. The next prime is 345659720377. The reversal of 345659720322 is 223027956543.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4114996629 + ... + 4114996712.

It is an arithmetic number, because the mean of its divisors is an integer number (49379960052).

Almost surely, 2^345659720322 is an apocalyptic number.

345659720322 is an abundant number, since it is smaller than the sum of its proper divisors (444419640510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345659720322 is a wasteful number, since it uses less digits than its factorization.

345659720322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229993353.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 345659720322 in words is "three hundred forty-five billion, six hundred fifty-nine million, seven hundred twenty thousand, three hundred twenty-two".