4138247413 has 4 divisors (see below), whose sum is σ = 4139766540. Its totient is φ = 4136728288.

The previous prime is 4138247411. The next prime is 4138247431. The reversal of 4138247413 is 3147428314.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1969761924 + 2168485489 = 44382^2 + 46567^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138247413 - 2¹ = 4138247411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138247411) 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, 755470 + ... + 760927.

It is an arithmetic number, because the mean of its divisors is an integer number (1034941635).

Almost surely, 2^4138247413 is an apocalyptic number.

It is an amenable number.

4138247413 is a deficient number, since it is larger than the sum of its proper divisors (1519127).

4138247413 is a wasteful number, since it uses less digits than its factorization.

4138247413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519126.

The product of its digits is 64512, while the sum is 37.

The square root of 4138247413 is about 64329.2111952261. The cubic root of 4138247413 is about 1605.4821599823.

The spelling of 4138247413 in words is "four billion, one hundred thirty-eight million, two hundred forty-seven thousand, four hundred thirteen".