4239026542191 has 48 divisors (see below), whose sum is σ = 6641506030848. Its totient is φ = 2397751372800.

The previous prime is 4239026542181. The next prime is 4239026542207. The reversal of 4239026542191 is 1912456209324.

It is not a de Polignac number, because 4239026542191 - 2²¹ = 4239024445039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4239026542191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239026542141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35840271 + ... + 35958351.

It is an arithmetic number, because the mean of its divisors is an integer number (138364708976).

Almost surely, 2^{4239026542191} is an apocalyptic number.

4239026542191 is a deficient number, since it is larger than the sum of its proper divisors (2402479488657).

4239026542191 is a wasteful number, since it uses less digits than its factorization.

4239026542191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120572 (or 120565 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 4239026542191 in words is "four trillion, two hundred thirty-nine billion, twenty-six million, five hundred forty-two thousand, one hundred ninety-one".