400829534243 has 2 divisors, whose sum is σ = 400829534244. Its totient is φ = 400829534242.

The previous prime is 400829534207. The next prime is 400829534299. The reversal of 400829534243 is 342435928004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400829534243 - 2²⁰ = 400828485667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400829534194 and 400829534203.

It is not a weakly prime, because it can be changed into another prime (400829537243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200414767121 + 200414767122.

It is an arithmetic number, because the mean of its divisors is an integer number (200414767122).

Almost surely, 2^400829534243 is an apocalyptic number.

400829534243 is a deficient number, since it is larger than the sum of its proper divisors (1).

400829534243 is an equidigital number, since it uses as much as digits as its factorization.

400829534243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 400829534243 in words is "four hundred billion, eight hundred twenty-nine million, five hundred thirty-four thousand, two hundred forty-three".