544240340412139 has 4 divisors (see below), whose sum is σ = 621988960471024. Its totient is φ = 466491720353256.

The previous prime is 544240340412121. The next prime is 544240340412143. The reversal of 544240340412139 is 931214043042445.

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 544240340412139 - 2⁹ = 544240340411627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544240340412179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38874310029432 + ... + 38874310029445.

It is an arithmetic number, because the mean of its divisors is an integer number (155497240117756).

Almost surely, 2^{544240340412139} is an apocalyptic number.

544240340412139 is a deficient number, since it is larger than the sum of its proper divisors (77748620058885).

544240340412139 is an equidigital number, since it uses as much as digits as its factorization.

544240340412139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77748620058884.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 544240340412139 in words is "five hundred forty-four trillion, two hundred forty billion, three hundred forty million, four hundred twelve thousand, one hundred thirty-nine".