395067986231 has 2 divisors, whose sum is σ = 395067986232. Its totient is φ = 395067986230.

The previous prime is 395067986227. The next prime is 395067986267. The reversal of 395067986231 is 132689760593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395067986231 - 2² = 395067986227 is a prime.

It is a super-2 number, since 2×395067986231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395067986221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197533993115 + 197533993116.

It is an arithmetic number, because the mean of its divisors is an integer number (197533993116).

Almost surely, 2^395067986231 is an apocalyptic number.

395067986231 is a deficient number, since it is larger than the sum of its proper divisors (1).

395067986231 is an equidigital number, since it uses as much as digits as its factorization.

395067986231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 395067986231 in words is "three hundred ninety-five billion, sixty-seven million, nine hundred eighty-six thousand, two hundred thirty-one".