395607829478399 has 16 divisors (see below), whose sum is σ = 428622056346528. Its totient is φ = 363676251036672.

The previous prime is 395607829478387. The next prime is 395607829478417. The reversal of 395607829478399 is 993874928706593.

It is a happy number.

It is not a de Polignac number, because 395607829478399 - 2¹⁶ = 395607829412863 is a prime.

It is a super-2 number, since 2×395607829478399² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395607829478899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195292889 + ... + 197308205.

It is an arithmetic number, because the mean of its divisors is an integer number (26788878521658).

Almost surely, 2^{395607829478399} is an apocalyptic number.

395607829478399 is a deficient number, since it is larger than the sum of its proper divisors (33014226868129).

395607829478399 is a wasteful number, since it uses less digits than its factorization.

395607829478399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283914.

The product of its (nonzero) digits is 44442639360, while the sum is 89.

The spelling of 395607829478399 in words is "three hundred ninety-five trillion, six hundred seven billion, eight hundred twenty-nine million, four hundred seventy-eight thousand, three hundred ninety-nine".