254999999999 has 16 divisors (see below), whose sum is σ = 257413718016. Its totient is φ = 252598960800.

The previous prime is 254999999993. The next prime is 255000000007. The reversal of 254999999999 is 999999999452.

It is a cyclic number.

It is not a de Polignac number, because 254999999999 - 2¹⁶ = 254999934463 is a prime.

It is a Duffinian number.

254999999999 is a modest number, since divided by 999999 gives 254999 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254999999993) 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, 94900034 + ... + 94902720.

It is an arithmetic number, because the mean of its divisors is an integer number (16088357376).

Almost surely, 2^254999999999 is an apocalyptic number.

254999999999 is a deficient number, since it is larger than the sum of its proper divisors (2413718017).

254999999999 is a wasteful number, since it uses less digits than its factorization.

254999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 15496819560, while the sum is 92.

The spelling of 254999999999 in words is "two hundred fifty-four billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".