11976994439 has 2 divisors, whose sum is σ = 11976994440. Its totient is φ = 11976994438.

The previous prime is 11976994427. The next prime is 11976994499. The reversal of 11976994439 is 93449967911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11976994439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11976994409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988497219 + 5988497220.

It is an arithmetic number, because the mean of its divisors is an integer number (5988497220).

Almost surely, 2^11976994439 is an apocalyptic number.

11976994439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976994439 is an equidigital number, since it uses as much as digits as its factorization.

11976994439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 62.

The spelling of 11976994439 in words is "eleven billion, nine hundred seventy-six million, nine hundred ninety-four thousand, four hundred thirty-nine".