255949019763903 has 16 divisors (see below), whose sum is σ = 381694883539200. Its totient is φ = 169502662092600.

The previous prime is 255949019763821. The next prime is 255949019763973. The reversal of 255949019763903 is 309367910949552.

255949019763903 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 49 + 0 + 197 + 6 + 390 + 3 = 666.

It is not a de Polignac number, because 255949019763903 - 2¹³ = 255949019755711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255949019763973) 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, 31389377793 + ... + 31389385946.

It is an arithmetic number, because the mean of its divisors is an integer number (23855930221200).

Almost surely, 2^{255949019763903} is an apocalyptic number.

255949019763903 is a deficient number, since it is larger than the sum of its proper divisors (125745863775297).

255949019763903 is a wasteful number, since it uses less digits than its factorization.

255949019763903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62778763899 (or 62778763893 counting only the distinct ones).

The product of its (nonzero) digits is 496011600, while the sum is 72.

The spelling of 255949019763903 in words is "two hundred fifty-five trillion, nine hundred forty-nine billion, nineteen million, seven hundred sixty-three thousand, nine hundred three".