11436453869 has 4 divisors (see below), whose sum is σ = 11485537596. Its totient is φ = 11387370144.

The previous prime is 11436453841. The next prime is 11436453871. The reversal of 11436453869 is 96835463411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3437476900 + 7998976969 = 58630^2 + 89437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11436453869 is a prime.

It is a super-2 number, since 2×11436453869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11436453569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24541514 + ... + 24541979.

It is an arithmetic number, because the mean of its divisors is an integer number (2871384399).

Almost surely, 2^11436453869 is an apocalyptic number.

It is an amenable number.

11436453869 is a deficient number, since it is larger than the sum of its proper divisors (49083727).

11436453869 is an equidigital number, since it uses as much as digits as its factorization.

11436453869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49083726.

The product of its digits is 1866240, while the sum is 50.

The spelling of 11436453869 in words is "eleven billion, four hundred thirty-six million, four hundred fifty-three thousand, eight hundred sixty-nine".