11972383769 has 4 divisors (see below), whose sum is σ = 12014689296. Its totient is φ = 11930078244.

The previous prime is 11972383757. The next prime is 11972383783. The reversal of 11972383769 is 96738327911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11972383769 - 2⁸ = 11972383513 is a prime.

It is a super-2 number, since 2×11972383769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11972382769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21152339 + ... + 21152904.

It is an arithmetic number, because the mean of its divisors is an integer number (3003672324).

Almost surely, 2^11972383769 is an apocalyptic number.

It is an amenable number.

11972383769 is a deficient number, since it is larger than the sum of its proper divisors (42305527).

11972383769 is an equidigital number, since it uses as much as digits as its factorization.

11972383769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42305526.

The product of its digits is 3429216, while the sum is 56.

The spelling of 11972383769 in words is "eleven billion, nine hundred seventy-two million, three hundred eighty-three thousand, seven hundred sixty-nine".