255346810643 has 8 divisors (see below), whose sum is σ = 255531123120. Its totient is φ = 255162552480.

The previous prime is 255346810633. The next prime is 255346810669. The reversal of 255346810643 is 346018643552.

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

It is a cyclic number.

It is not a de Polignac number, because 255346810643 - 2³⁴ = 238166941459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255346810613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14650388 + ... + 14667806.

It is an arithmetic number, because the mean of its divisors is an integer number (31941390390).

Almost surely, 2^255346810643 is an apocalyptic number.

255346810643 is a deficient number, since it is larger than the sum of its proper divisors (184312477).

255346810643 is a wasteful number, since it uses less digits than its factorization.

255346810643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27157.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 255346810643 in words is "two hundred fifty-five billion, three hundred forty-six million, eight hundred ten thousand, six hundred forty-three".