4432111636 has 6 divisors (see below), whose sum is σ = 7756195370. Its totient is φ = 2216055816.

The previous prime is 4432111553. The next prime is 4432111669. The reversal of 4432111636 is 6361112344.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4391712900 + 40398736 = 66270^2 + 6356^2 .

It is a super-2 number, since 2×4432111636² = 39287227107933192992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4432111598 and 4432111607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554013951 + ... + 554013958.

Almost surely, 2^4432111636 is an apocalyptic number.

It is an amenable number.

4432111636 is a deficient number, since it is larger than the sum of its proper divisors (3324083734).

4432111636 is a wasteful number, since it uses less digits than its factorization.

4432111636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108027913 (or 1108027911 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 4432111636 is about 66574.1063477385. The cubic root of 4432111636 is about 1642.6192080109.

The spelling of 4432111636 in words is "four billion, four hundred thirty-two million, one hundred eleven thousand, six hundred thirty-six".