4139541739 has 4 divisors (see below), whose sum is σ = 4154930640. Its totient is φ = 4124152840.

The previous prime is 4139541737. The next prime is 4139541743. The reversal of 4139541739 is 9371459314.

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

It is a cyclic number.

It is not a de Polignac number, because 4139541739 - 2¹ = 4139541737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4139541737) 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, 7694047 + ... + 7694584.

It is an arithmetic number, because the mean of its divisors is an integer number (1038732660).

Almost surely, 2^4139541739 is an apocalyptic number.

4139541739 is a deficient number, since it is larger than the sum of its proper divisors (15388901).

4139541739 is a wasteful number, since it uses less digits than its factorization.

4139541739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15388900.

The product of its digits is 408240, while the sum is 46.

The square root of 4139541739 is about 64339.2705818150. The cubic root of 4139541739 is about 1605.6495255749.

The spelling of 4139541739 in words is "four billion, one hundred thirty-nine million, five hundred forty-one thousand, seven hundred thirty-nine".