9964011439 has 2 divisors, whose sum is σ = 9964011440. Its totient is φ = 9964011438.

The previous prime is 9964011427. The next prime is 9964011461. The reversal of 9964011439 is 9341104699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9964011439 - 2²⁷ = 9829793711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9964017439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982005719 + 4982005720.

It is an arithmetic number, because the mean of its divisors is an integer number (4982005720).

Almost surely, 2^9964011439 is an apocalyptic number.

9964011439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964011439 is an equidigital number, since it uses as much as digits as its factorization.

9964011439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 9964011439 is about 99819.8950059556. The cubic root of 9964011439 is about 2151.8470832613.

The spelling of 9964011439 in words is "nine billion, nine hundred sixty-four million, eleven thousand, four hundred thirty-nine".