448396815397 has 2 divisors, whose sum is σ = 448396815398. Its totient is φ = 448396815396.

The previous prime is 448396815371. The next prime is 448396815473. The reversal of 448396815397 is 793518693844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238118624676 + 210278190721 = 487974^2 + 458561^2 .

It is a cyclic number.

It is not a de Polignac number, because 448396815397 - 2¹⁵ = 448396782629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448396815197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224198407698 + 224198407699.

It is an arithmetic number, because the mean of its divisors is an integer number (224198407699).

Almost surely, 2^448396815397 is an apocalyptic number.

It is an amenable number.

448396815397 is a deficient number, since it is larger than the sum of its proper divisors (1).

448396815397 is an equidigital number, since it uses as much as digits as its factorization.

448396815397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 67.

The spelling of 448396815397 in words is "four hundred forty-eight billion, three hundred ninety-six million, eight hundred fifteen thousand, three hundred ninety-seven".