4639376038791 has 32 divisors (see below), whose sum is σ = 6686143672320. Its totient is φ = 2844530296704.

The previous prime is 4639376038753. The next prime is 4639376038837. The reversal of 4639376038791 is 1978306739364.

It is a happy number.

It is not a de Polignac number, because 4639376038791 - 2²¹ = 4639373941639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639376038711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11453466 + ... + 11851608.

It is an arithmetic number, because the mean of its divisors is an integer number (208941989760).

Almost surely, 2^{4639376038791} is an apocalyptic number.

4639376038791 is a deficient number, since it is larger than the sum of its proper divisors (2046767633529).

4639376038791 is a wasteful number, since it uses less digits than its factorization.

4639376038791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399255.

The product of its (nonzero) digits is 123451776, while the sum is 66.

The spelling of 4639376038791 in words is "four trillion, six hundred thirty-nine billion, three hundred seventy-six million, thirty-eight thousand, seven hundred ninety-one".