11421626433 has 48 divisors (see below), whose sum is σ = 17849445120. Its totient is φ = 6477408000.

The previous prime is 11421626429. The next prime is 11421626449. The reversal of 11421626433 is 33462612411.

It is a happy number.

It is not a de Polignac number, because 11421626433 - 2² = 11421626429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11421626394 and 11421626403.

It is not an unprimeable number, because it can be changed into a prime (11421626413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16292983 + ... + 16293683.

It is an arithmetic number, because the mean of its divisors is an integer number (371863440).

Almost surely, 2^11421626433 is an apocalyptic number.

It is an amenable number.

11421626433 is a deficient number, since it is larger than the sum of its proper divisors (6427818687).

11421626433 is a wasteful number, since it uses less digits than its factorization.

11421626433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1391 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The spelling of 11421626433 in words is "eleven billion, four hundred twenty-one million, six hundred twenty-six thousand, four hundred thirty-three".