11659233749 has 2 divisors, whose sum is σ = 11659233750. Its totient is φ = 11659233748.

The previous prime is 11659233697. The next prime is 11659233769. The reversal of 11659233749 is 94733295611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10685356900 + 973876849 = 103370^2 + 31207^2 .

It is an emirp because it is prime and its reverse (94733295611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11659233749 is a prime.

It is a super-2 number, since 2×11659233749² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11659233697 and 11659233706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11659233769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5829616874 + 5829616875.

It is an arithmetic number, because the mean of its divisors is an integer number (5829616875).

Almost surely, 2^11659233749 is an apocalyptic number.

It is an amenable number.

11659233749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11659233749 is an equidigital number, since it uses as much as digits as its factorization.

11659233749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The spelling of 11659233749 in words is "eleven billion, six hundred fifty-nine million, two hundred thirty-three thousand, seven hundred forty-nine".