4126989418 has 8 divisors (see below), whose sum is σ = 6194634948. Its totient is φ = 2062111104.

The previous prime is 4126989413. The next prime is 4126989443. The reversal of 4126989418 is 8149896214.

It can be written as a sum of positive squares in 2 ways, for example, as 3849333849 + 277655569 = 62043^2 + 16663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4126989413) 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, 688071 + ... + 694042.

Almost surely, 2^4126989418 is an apocalyptic number.

4126989418 is a deficient number, since it is larger than the sum of its proper divisors (2067645530).

4126989418 is a wasteful number, since it uses less digits than its factorization.

4126989418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383608.

The product of its digits is 995328, while the sum is 52.

The square root of 4126989418 is about 64241.6486245489. The cubic root of 4126989418 is about 1604.0249468553.

The spelling of 4126989418 in words is "four billion, one hundred twenty-six million, nine hundred eighty-nine thousand, four hundred eighteen".