346581818945 has 8 divisors (see below), whose sum is σ = 430239499560. Its totient is φ = 267704577280.

The previous prime is 346581818929. The next prime is 346581818983. The reversal of 346581818945 is 549818185643.

It is a Cunningham number, because it is equal to 588712²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 124770019984 + 221811798961 = 353228^2 + 470969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 346581818945 - 2⁴ = 346581818929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195109576 + ... + 1195109865.

It is an arithmetic number, because the mean of its divisors is an integer number (53779937445).

Almost surely, 2^346581818945 is an apocalyptic number.

It is an amenable number.

346581818945 is a deficient number, since it is larger than the sum of its proper divisors (83657680615).

346581818945 is a wasteful number, since it uses less digits than its factorization.

346581818945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390219475.

The product of its digits is 33177600, while the sum is 62.

The spelling of 346581818945 in words is "three hundred forty-six billion, five hundred eighty-one million, eight hundred eighteen thousand, nine hundred forty-five".