4409994131 has 4 divisors (see below), whose sum is σ = 4452809712. Its totient is φ = 4367178552.

The previous prime is 4409994119. The next prime is 4409994133. The reversal of 4409994131 is 1314999044.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4409994131 is a prime.

It is a super-2 number, since 2×4409994131² = 38896096470908890322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4409994133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21407636 + ... + 21407841.

It is an arithmetic number, because the mean of its divisors is an integer number (1113202428).

Almost surely, 2^4409994131 is an apocalyptic number.

4409994131 is a deficient number, since it is larger than the sum of its proper divisors (42815581).

4409994131 is a wasteful number, since it uses less digits than its factorization.

4409994131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42815580.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 4409994131 is about 66407.7866744556. The cubic root of 4409994131 is about 1639.8822703263.

The spelling of 4409994131 in words is "four billion, four hundred nine million, nine hundred ninety-four thousand, one hundred thirty-one".