345259442893 has 4 divisors (see below), whose sum is σ = 345312184960. Its totient is φ = 345206700828.

The previous prime is 345259442839. The next prime is 345259442947. The reversal of 345259442893 is 398244952543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (345259442839) and next prime (345259442947).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345259442893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345259442293) 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, 26361213 + ... + 26374306.

It is an arithmetic number, because the mean of its divisors is an integer number (86328046240).

Almost surely, 2^345259442893 is an apocalyptic number.

It is an amenable number.

345259442893 is a deficient number, since it is larger than the sum of its proper divisors (52742067).

345259442893 is an equidigital number, since it uses as much as digits as its factorization.

345259442893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52742066.

The product of its digits is 37324800, while the sum is 58.

The spelling of 345259442893 in words is "three hundred forty-five billion, two hundred fifty-nine million, four hundred forty-two thousand, eight hundred ninety-three".