51254344899 has 6 divisors (see below), whose sum is σ = 74034053756. Its totient is φ = 34169563260.

The previous prime is 51254344891. The next prime is 51254344907. The reversal of 51254344899 is 99844345215.

It is a happy number.

51254344899 is a `hidden beast` number, since 5 + 1 + 2 + 543 + 4 + 4 + 8 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (51254344891) and next prime (51254344907).

It is not a de Polignac number, because 51254344899 - 2³ = 51254344891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51254344891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2847463597 + ... + 2847463614.

Almost surely, 2^51254344899 is an apocalyptic number.

51254344899 is a deficient number, since it is larger than the sum of its proper divisors (22779708857).

51254344899 is a wasteful number, since it uses less digits than its factorization.

51254344899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694927217 (or 5694927214 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 51254344899 in words is "fifty-one billion, two hundred fifty-four million, three hundred forty-four thousand, eight hundred ninety-nine".