395449148687 has 2 divisors, whose sum is σ = 395449148688. Its totient is φ = 395449148686.

The previous prime is 395449148671. The next prime is 395449148719. The reversal of 395449148687 is 786841944593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395449148687 - 2⁴ = 395449148671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395449148287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197724574343 + 197724574344.

It is an arithmetic number, because the mean of its divisors is an integer number (197724574344).

Almost surely, 2^395449148687 is an apocalyptic number.

395449148687 is a deficient number, since it is larger than the sum of its proper divisors (1).

395449148687 is an equidigital number, since it uses as much as digits as its factorization.

395449148687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 68.

The spelling of 395449148687 in words is "three hundred ninety-five billion, four hundred forty-nine million, one hundred forty-eight thousand, six hundred eighty-seven".