11969736694997 has 2 divisors, whose sum is σ = 11969736694998. Its totient is φ = 11969736694996.

The previous prime is 11969736694969. The next prime is 11969736695009. The reversal of 11969736694997 is 79949663796911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11438187797521 + 531548897476 = 3382039^2 + 729074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11969736694997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11969736690997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984868347498 + 5984868347499.

It is an arithmetic number, because the mean of its divisors is an integer number (5984868347499).

Almost surely, 2^{11969736694997} is an apocalyptic number.

It is an amenable number.

11969736694997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969736694997 is an equidigital number, since it uses as much as digits as its factorization.

11969736694997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7499695392, while the sum is 86.

The spelling of 11969736694997 in words is "eleven trillion, nine hundred sixty-nine billion, seven hundred thirty-six million, six hundred ninety-four thousand, nine hundred ninety-seven".