346410531261 has 6 divisors (see below), whose sum is σ = 500370767390. Its totient is φ = 230940354168.

The previous prime is 346410531251. The next prime is 346410531293. The reversal of 346410531261 is 162135014643.

346410531261 is a `hidden beast` number, since 3 + 4 + 64 + 1 + 0 + 531 + 2 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 265188951225 + 81221580036 = 514965^2 + 284994^2 .

It is a de Polignac number, because none of the positive numbers 2^k-346410531261 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 (346410531221) 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, 19245029506 + ... + 19245029523.

Almost surely, 2^346410531261 is an apocalyptic number.

It is an amenable number.

346410531261 is a deficient number, since it is larger than the sum of its proper divisors (153960236129).

346410531261 is a wasteful number, since it uses less digits than its factorization.

346410531261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38490059035 (or 38490059032 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 346410531261 in words is "three hundred forty-six billion, four hundred ten million, five hundred thirty-one thousand, two hundred sixty-one".