544540351639 has 2 divisors, whose sum is σ = 544540351640. Its totient is φ = 544540351638.

The previous prime is 544540351609. The next prime is 544540351643. The reversal of 544540351639 is 936153045445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544540351639 - 2⁹ = 544540351127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544540351592 and 544540351601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544540351609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272270175819 + 272270175820.

It is an arithmetic number, because the mean of its divisors is an integer number (272270175820).

Almost surely, 2^544540351639 is an apocalyptic number.

544540351639 is a deficient number, since it is larger than the sum of its proper divisors (1).

544540351639 is an equidigital number, since it uses as much as digits as its factorization.

544540351639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 544540351639 in words is "five hundred forty-four billion, five hundred forty million, three hundred fifty-one thousand, six hundred thirty-nine".