4116642538 has 4 divisors (see below), whose sum is σ = 6174963810. Its totient is φ = 2058321268.

The previous prime is 4116642493. The next prime is 4116642547. The reversal of 4116642538 is 8352466114.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3845612169 + 271030369 = 62013^2 + 16463^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4116642538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029160633 + ... + 1029160636.

Almost surely, 2^4116642538 is an apocalyptic number.

4116642538 is a deficient number, since it is larger than the sum of its proper divisors (2058321272).

4116642538 is a wasteful number, since it uses less digits than its factorization.

4116642538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058321271.

The product of its digits is 138240, while the sum is 40.

The square root of 4116642538 is about 64161.0671513497. The cubic root of 4116642538 is about 1602.6833277980.

The spelling of 4116642538 in words is "four billion, one hundred sixteen million, six hundred forty-two thousand, five hundred thirty-eight".