345106082691 has 6 divisors (see below), whose sum is σ = 498486563900. Its totient is φ = 230070721788.

The previous prime is 345106082687. The next prime is 345106082743. The reversal of 345106082691 is 196280601543.

345106082691 is a `hidden beast` number, since 3 + 4 + 5 + 10 + 608 + 26 + 9 + 1 = 666.

345106082691 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 345106082691 - 2² = 345106082687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345106082791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19172560141 + ... + 19172560158.

Almost surely, 2^345106082691 is an apocalyptic number.

345106082691 is a deficient number, since it is larger than the sum of its proper divisors (153380481209).

345106082691 is a wasteful number, since it uses less digits than its factorization.

345106082691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38345120305 (or 38345120302 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 345106082691 in words is "three hundred forty-five billion, one hundred six million, eighty-two thousand, six hundred ninety-one".