6426441650 has 24 divisors (see below), whose sum is σ = 11971888884. Its totient is φ = 2566553600.

The previous prime is 6426441641. The next prime is 6426441667. The reversal of 6426441650 is 561446246.

It can be written as a sum of positive squares in 6 ways, for example, as 2829920809 + 3596520841 = 53197^2 + 59971^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68207 + ... + 132306.

Almost surely, 2^6426441650 is an apocalyptic number.

6426441650 is a deficient number, since it is larger than the sum of its proper divisors (5545447234).

6426441650 is a wasteful number, since it uses less digits than its factorization.

6426441650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201166 (or 201161 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6426441650 is about 80165.0899706350. The cubic root of 6426441650 is about 1859.1889216230.

Adding to 6426441650 its reverse (561446246), we get a palindrome (6987887896).

The spelling of 6426441650 in words is "six billion, four hundred twenty-six million, four hundred forty-one thousand, six hundred fifty".