48451365917 has 2 divisors, whose sum is σ = 48451365918. Its totient is φ = 48451365916.

The previous prime is 48451365889. The next prime is 48451365961. The reversal of 48451365917 is 71956315484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35006035801 + 13445330116 = 187099^2 + 115954^2 .

It is a cyclic number.

It is not a de Polignac number, because 48451365917 - 2¹⁴ = 48451349533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48451365317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24225682958 + 24225682959.

It is an arithmetic number, because the mean of its divisors is an integer number (24225682959).

Almost surely, 2^48451365917 is an apocalyptic number.

It is an amenable number.

48451365917 is a deficient number, since it is larger than the sum of its proper divisors (1).

48451365917 is an equidigital number, since it uses as much as digits as its factorization.

48451365917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 53.

The spelling of 48451365917 in words is "forty-eight billion, four hundred fifty-one million, three hundred sixty-five thousand, nine hundred seventeen".