345761261291 has 16 divisors (see below), whose sum is σ = 382043257344. Its totient is φ = 311252625024.

The previous prime is 345761261273. The next prime is 345761261311. The reversal of 345761261291 is 192162167543.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 345761261291 - 2³⁴ = 328581392107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345761261591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11348420 + ... + 11378846.

It is an arithmetic number, because the mean of its divisors is an integer number (23877703584).

Almost surely, 2^345761261291 is an apocalyptic number.

345761261291 is a deficient number, since it is larger than the sum of its proper divisors (36281996053).

345761261291 is a wasteful number, since it uses less digits than its factorization.

345761261291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59530.

The product of its digits is 544320, while the sum is 47.

The spelling of 345761261291 in words is "three hundred forty-five billion, seven hundred sixty-one million, two hundred sixty-one thousand, two hundred ninety-one".