11769877993 has 2 divisors, whose sum is σ = 11769877994. Its totient is φ = 11769877992.

The previous prime is 11769877991. The next prime is 11769878023. The reversal of 11769877993 is 39977896711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11297989264 + 471888729 = 106292^2 + 21723^2 .

It is a cyclic number.

It is not a de Polignac number, because 11769877993 - 2¹ = 11769877991 is a prime.

Together with 11769877991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11769877991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5884938996 + 5884938997.

It is an arithmetic number, because the mean of its divisors is an integer number (5884938997).

Almost surely, 2^11769877993 is an apocalyptic number.

It is an amenable number.

11769877993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11769877993 is an equidigital number, since it uses as much as digits as its factorization.

11769877993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36006768, while the sum is 67.

The spelling of 11769877993 in words is "eleven billion, seven hundred sixty-nine million, eight hundred seventy-seven thousand, nine hundred ninety-three".