436404320039 has 2 divisors, whose sum is σ = 436404320040. Its totient is φ = 436404320038.

The previous prime is 436404319991. The next prime is 436404320063. The reversal of 436404320039 is 930023404634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 436404320039 - 2¹² = 436404315943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 436404319984 and 436404320011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (436404320839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218202160019 + 218202160020.

It is an arithmetic number, because the mean of its divisors is an integer number (218202160020).

Almost surely, 2^436404320039 is an apocalyptic number.

436404320039 is a deficient number, since it is larger than the sum of its proper divisors (1).

436404320039 is an equidigital number, since it uses as much as digits as its factorization.

436404320039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 436404320039 in words is "four hundred thirty-six billion, four hundred four million, three hundred twenty thousand, thirty-nine".