395499555049 has 2 divisors, whose sum is σ = 395499555050. Its totient is φ = 395499555048.

The previous prime is 395499555041. The next prime is 395499555089. The reversal of 395499555049 is 940555994593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270158773824 + 125340781225 = 519768^2 + 354035^2 .

It is a cyclic number.

It is not a de Polignac number, because 395499555049 - 2³ = 395499555041 is a prime.

It is not a weakly prime, because it can be changed into another prime (395499555041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197749777524 + 197749777525.

It is an arithmetic number, because the mean of its divisors is an integer number (197749777525).

Almost surely, 2^395499555049 is an apocalyptic number.

It is an amenable number.

395499555049 is a deficient number, since it is larger than the sum of its proper divisors (1).

395499555049 is an equidigital number, since it uses as much as digits as its factorization.

395499555049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830000, while the sum is 67.

The spelling of 395499555049 in words is "three hundred ninety-five billion, four hundred ninety-nine million, five hundred fifty-five thousand, forty-nine".