408129799943 has 2 divisors, whose sum is σ = 408129799944. Its totient is φ = 408129799942.

The previous prime is 408129799937. The next prime is 408129799951. The reversal of 408129799943 is 349997921804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408129799943 - 2¹² = 408129795847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 408129799943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408129795943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204064899971 + 204064899972.

It is an arithmetic number, because the mean of its divisors is an integer number (204064899972).

Almost surely, 2^408129799943 is an apocalyptic number.

408129799943 is a deficient number, since it is larger than the sum of its proper divisors (1).

408129799943 is an equidigital number, since it uses as much as digits as its factorization.

408129799943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 408129799943 in words is "four hundred eight billion, one hundred twenty-nine million, seven hundred ninety-nine thousand, nine hundred forty-three".