439011039697 has 2 divisors, whose sum is σ = 439011039698. Its totient is φ = 439011039696.

The previous prime is 439011039641. The next prime is 439011039839. The reversal of 439011039697 is 796930110934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386441262736 + 52569776961 = 621644^2 + 229281^2 .

It is a cyclic number.

It is not a de Polignac number, because 439011039697 - 2²³ = 439002651089 is a prime.

It is not a weakly prime, because it can be changed into another prime (439011039637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219505519848 + 219505519849.

It is an arithmetic number, because the mean of its divisors is an integer number (219505519849).

Almost surely, 2^439011039697 is an apocalyptic number.

It is an amenable number.

439011039697 is a deficient number, since it is larger than the sum of its proper divisors (1).

439011039697 is an equidigital number, since it uses as much as digits as its factorization.

439011039697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 439011039697 in words is "four hundred thirty-nine billion, eleven million, thirty-nine thousand, six hundred ninety-seven".