11746039997 has 2 divisors, whose sum is σ = 11746039998. Its totient is φ = 11746039996.

The previous prime is 11746039919. The next prime is 11746039999. The reversal of 11746039997 is 79993064711.

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., 11272281241 + 473758756 = 106171^2 + 21766^2 .

It is a cyclic number.

It is not a de Polignac number, because 11746039997 - 2³² = 7451072701 is a prime.

It is a super-2 number, since 2×11746039997² (a number of 21 digits) contains 22 as substring.

Together with 11746039999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11746039999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5873019998 + 5873019999.

It is an arithmetic number, because the mean of its divisors is an integer number (5873019999).

Almost surely, 2^11746039997 is an apocalyptic number.

It is an amenable number.

11746039997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11746039997 is an equidigital number, since it uses as much as digits as its factorization.

11746039997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 11746039997 in words is "eleven billion, seven hundred forty-six million, thirty-nine thousand, nine hundred ninety-seven".