11637369049 has 2 divisors, whose sum is σ = 11637369050. Its totient is φ = 11637369048.

The previous prime is 11637369047. The next prime is 11637369067. The reversal of 11637369049 is 94096373611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8264082649 + 3373286400 = 90907^2 + 58080^2 .

It is an emirp because it is prime and its reverse (94096373611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11637369049 - 2¹ = 11637369047 is a prime.

Together with 11637369047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11637368993 and 11637369011.

It is not a weakly prime, because it can be changed into another prime (11637369043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5818684524 + 5818684525.

It is an arithmetic number, because the mean of its divisors is an integer number (5818684525).

Almost surely, 2^11637369049 is an apocalyptic number.

It is an amenable number.

11637369049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11637369049 is an equidigital number, since it uses as much as digits as its factorization.

11637369049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 11637369049 in words is "eleven billion, six hundred thirty-seven million, three hundred sixty-nine thousand, forty-nine".