345034192549 has 4 divisors (see below), whose sum is σ = 345089876364. Its totient is φ = 344978508736.

The previous prime is 345034192523. The next prime is 345034192553. The reversal of 345034192549 is 945291430543.

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 259495491649 + 85538700900 = 509407^2 + 292470^2 .

It is a cyclic number.

It is not a de Polignac number, because 345034192549 - 2¹⁵ = 345034159781 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 (345034192589) 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, 27832612 + ... + 27845005.

It is an arithmetic number, because the mean of its divisors is an integer number (86272469091).

Almost surely, 2^345034192549 is an apocalyptic number.

It is an amenable number.

345034192549 is a deficient number, since it is larger than the sum of its proper divisors (55683815).

345034192549 is an equidigital number, since it uses as much as digits as its factorization.

345034192549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55683814.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 345034192549 in words is "three hundred forty-five billion, thirty-four million, one hundred ninety-two thousand, five hundred forty-nine".