396493297429 has 4 divisors (see below), whose sum is σ = 396556956460. Its totient is φ = 396429638400.

The previous prime is 396493297411. The next prime is 396493297441. The reversal of 396493297429 is 924792394693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924792394693 = 17 ⋅54399552629.

It can be written as a sum of positive squares in 2 ways, for example, as 91248097329 + 305245200100 = 302073^2 + 552490^2 .

It is a cyclic number.

It is not a de Polignac number, because 396493297429 - 2³³ = 387903362837 is a prime.

It is a super-2 number, since 2×396493297429² (a number of 24 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 (396493297469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31820172 + ... + 31832629.

It is an arithmetic number, because the mean of its divisors is an integer number (99139239115).

Almost surely, 2^396493297429 is an apocalyptic number.

It is an amenable number.

396493297429 is a deficient number, since it is larger than the sum of its proper divisors (63659031).

396493297429 is an equidigital number, since it uses as much as digits as its factorization.

396493297429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63659030.

The product of its digits is 158723712, while the sum is 67.

The spelling of 396493297429 in words is "three hundred ninety-six billion, four hundred ninety-three million, two hundred ninety-seven thousand, four hundred twenty-nine".