396148595581429 has 2 divisors, whose sum is σ = 396148595581430. Its totient is φ = 396148595581428.

The previous prime is 396148595581303. The next prime is 396148595581457. The reversal of 396148595581429 is 924185595841693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206484743158929 + 189663852422500 = 14369577^2 + 13771850^2 .

It is a cyclic number.

It is not a de Polignac number, because 396148595581429 - 2¹⁷ = 396148595450357 is a prime.

It is a super-2 number, since 2×396148595581429² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396148595581499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198074297790714 + 198074297790715.

It is an arithmetic number, because the mean of its divisors is an integer number (198074297790715).

Almost surely, 2^{396148595581429} is an apocalyptic number.

It is an amenable number.

396148595581429 is a deficient number, since it is larger than the sum of its proper divisors (1).

396148595581429 is an equidigital number, since it uses as much as digits as its factorization.

396148595581429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232000, while the sum is 79.

The spelling of 396148595581429 in words is "three hundred ninety-six trillion, one hundred forty-eight billion, five hundred ninety-five million, five hundred eighty-one thousand, four hundred twenty-nine".