11633497549 has 2 divisors, whose sum is σ = 11633497550. Its totient is φ = 11633497548.

The previous prime is 11633497537. The next prime is 11633497573. The reversal of 11633497549 is 94579433611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11388731524 + 244766025 = 106718^2 + 15645^2 .

It is a cyclic number.

It is not a de Polignac number, because 11633497549 - 2¹⁵ = 11633464781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11633497496 and 11633497505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11633497849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5816748774 + 5816748775.

It is an arithmetic number, because the mean of its divisors is an integer number (5816748775).

Almost surely, 2^11633497549 is an apocalyptic number.

It is an amenable number.

11633497549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11633497549 is an equidigital number, since it uses as much as digits as its factorization.

11633497549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The spelling of 11633497549 in words is "eleven billion, six hundred thirty-three million, four hundred ninety-seven thousand, five hundred forty-nine".