11229587693 has 2 divisors, whose sum is σ = 11229587694. Its totient is φ = 11229587692.

The previous prime is 11229587687. The next prime is 11229587713. The reversal of 11229587693 is 39678592211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8793375529 + 2436212164 = 93773^2 + 49358^2 .

It is an emirp because it is prime and its reverse (39678592211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11229587693 is a prime.

It is a super-2 number, since 2×11229587693² (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 (11229587683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614793846 + 5614793847.

It is an arithmetic number, because the mean of its divisors is an integer number (5614793847).

Almost surely, 2^11229587693 is an apocalyptic number.

It is an amenable number.

11229587693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11229587693 is an equidigital number, since it uses as much as digits as its factorization.

11229587693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The spelling of 11229587693 in words is "eleven billion, two hundred twenty-nine million, five hundred eighty-seven thousand, six hundred ninety-three".