395630935993 has 2 divisors, whose sum is σ = 395630935994. Its totient is φ = 395630935992.

The previous prime is 395630935961. The next prime is 395630936021. The reversal of 395630935993 is 399539036593.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268543676944 + 127087259049 = 518212^2 + 356493^2 .

It is a cyclic number.

It is not a de Polignac number, because 395630935993 - 2⁵ = 395630935961 is a prime.

It is not a weakly prime, because it can be changed into another prime (395630935093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197815467996 + 197815467997.

It is an arithmetic number, because the mean of its divisors is an integer number (197815467997).

Almost surely, 2^395630935993 is an apocalyptic number.

It is an amenable number.

395630935993 is a deficient number, since it is larger than the sum of its proper divisors (1).

395630935993 is an equidigital number, since it uses as much as digits as its factorization.

395630935993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79716150, while the sum is 64.

The spelling of 395630935993 in words is "three hundred ninety-five billion, six hundred thirty million, nine hundred thirty-five thousand, nine hundred ninety-three".