4638726542713 has 4 divisors (see below), whose sum is σ = 4644335644560. Its totient is φ = 4633117440868.

The previous prime is 4638726542641. The next prime is 4638726542719. The reversal of 4638726542713 is 3172456278364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4638726542713 - 2²¹ = 4638724445561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4638726542719) 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, 2804549683 + ... + 2804551336.

It is an arithmetic number, because the mean of its divisors is an integer number (1161083911140).

Almost surely, 2^{4638726542713} is an apocalyptic number.

It is an amenable number.

4638726542713 is a deficient number, since it is larger than the sum of its proper divisors (5609101847).

4638726542713 is an equidigital number, since it uses as much as digits as its factorization.

4638726542713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609101846.

The product of its digits is 40642560, while the sum is 58.

The spelling of 4638726542713 in words is "four trillion, six hundred thirty-eight billion, seven hundred twenty-six million, five hundred forty-two thousand, seven hundred thirteen".