48931376509 has 2 divisors, whose sum is σ = 48931376510. Its totient is φ = 48931376508.

The previous prime is 48931376497. The next prime is 48931376579. The reversal of 48931376509 is 90567313984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48831276484 + 100100025 = 220978^2 + 10005^2 .

It is a cyclic number.

It is not a de Polignac number, because 48931376509 - 2¹⁹ = 48930852221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48931376509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48931376579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24465688254 + 24465688255.

It is an arithmetic number, because the mean of its divisors is an integer number (24465688255).

Almost surely, 2^48931376509 is an apocalyptic number.

It is an amenable number.

48931376509 is a deficient number, since it is larger than the sum of its proper divisors (1).

48931376509 is an equidigital number, since it uses as much as digits as its factorization.

48931376509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 48931376509 in words is "forty-eight billion, nine hundred thirty-one million, three hundred seventy-six thousand, five hundred nine".