409939233043 has 2 divisors, whose sum is σ = 409939233044. Its totient is φ = 409939233042.

The previous prime is 409939233029. The next prime is 409939233073. The reversal of 409939233043 is 340332939904.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-409939233043 is a prime.

It is not a weakly prime, because it can be changed into another prime (409939233013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204969616521 + 204969616522.

It is an arithmetic number, because the mean of its divisors is an integer number (204969616522).

Almost surely, 2^409939233043 is an apocalyptic number.

409939233043 is a deficient number, since it is larger than the sum of its proper divisors (1).

409939233043 is an equidigital number, since it uses as much as digits as its factorization.

409939233043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 49.

The spelling of 409939233043 in words is "four hundred nine billion, nine hundred thirty-nine million, two hundred thirty-three thousand, forty-three".