255963430519 has 8 divisors (see below), whose sum is σ = 269683082240. Its totient is φ = 242268568056.

The previous prime is 255963430441. The next prime is 255963430549. The reversal of 255963430519 is 915034369552.

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 255963430519 - 2⁷ = 255963430391 is a prime.

It is a super-2 number, since 2×255963430519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255963430549) 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, 6176109 + ... + 6217414.

It is an arithmetic number, because the mean of its divisors is an integer number (33710385280).

Almost surely, 2^255963430519 is an apocalyptic number.

255963430519 is a deficient number, since it is larger than the sum of its proper divisors (13719651721).

255963430519 is a wasteful number, since it uses less digits than its factorization.

255963430519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12394629.

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 255963430519 in words is "two hundred fifty-five billion, nine hundred sixty-three million, four hundred thirty thousand, five hundred nineteen".