345591313897 has 4 divisors (see below), whose sum is σ = 354931619716. Its totient is φ = 336251008080.

The previous prime is 345591313883. The next prime is 345591313909. The reversal of 345591313897 is 798313195543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193238488921 + 152352824976 = 439589^2 + 390324^2 .

It is a cyclic number.

It is not a de Polignac number, because 345591313897 - 2¹⁵ = 345591281129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345591013897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670152854 + ... + 4670152927.

It is an arithmetic number, because the mean of its divisors is an integer number (88732904929).

Almost surely, 2^345591313897 is an apocalyptic number.

345591313897 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

345591313897 is a deficient number, since it is larger than the sum of its proper divisors (9340305819).

345591313897 is an equidigital number, since it uses as much as digits as its factorization.

345591313897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340305818.

The product of its digits is 12247200, while the sum is 58.

The spelling of 345591313897 in words is "three hundred forty-five billion, five hundred ninety-one million, three hundred thirteen thousand, eight hundred ninety-seven".