11397634669 has 2 divisors, whose sum is σ = 11397634670. Its totient is φ = 11397634668.

The previous prime is 11397634639. The next prime is 11397634687. The reversal of 11397634669 is 96643679311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10980944100 + 416690569 = 104790^2 + 20413^2 .

It is a cyclic number.

It is not a de Polignac number, because 11397634669 - 2⁵ = 11397634637 is a prime.

It is a super-2 number, since 2×11397634669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397634639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5698817334 + 5698817335.

It is an arithmetic number, because the mean of its divisors is an integer number (5698817335).

Almost surely, 2^11397634669 is an apocalyptic number.

It is an amenable number.

11397634669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397634669 is an equidigital number, since it uses as much as digits as its factorization.

11397634669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 55.

The spelling of 11397634669 in words is "eleven billion, three hundred ninety-seven million, six hundred thirty-four thousand, six hundred sixty-nine".