251048476823 has 2 divisors, whose sum is σ = 251048476824. Its totient is φ = 251048476822.

The previous prime is 251048476807. The next prime is 251048476873. The reversal of 251048476823 is 328674840152.

It is an a-pointer prime, because the next prime (251048476873) can be obtained adding 251048476823 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251048476823 - 2⁴ = 251048476807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251048476873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125524238411 + 125524238412.

It is an arithmetic number, because the mean of its divisors is an integer number (125524238412).

Almost surely, 2^251048476823 is an apocalyptic number.

251048476823 is a deficient number, since it is larger than the sum of its proper divisors (1).

251048476823 is an equidigital number, since it uses as much as digits as its factorization.

251048476823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 251048476823 in words is "two hundred fifty-one billion, forty-eight million, four hundred seventy-six thousand, eight hundred twenty-three".