544540351643 has 2 divisors, whose sum is σ = 544540351644. Its totient is φ = 544540351642.

The previous prime is 544540351639. The next prime is 544540351651. The reversal of 544540351643 is 346153045445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544540351643 - 2² = 544540351639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544540351594 and 544540351603.

It is not a weakly prime, because it can be changed into another prime (544540354643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272270175821 + 272270175822.

It is an arithmetic number, because the mean of its divisors is an integer number (272270175822).

Almost surely, 2^544540351643 is an apocalyptic number.

544540351643 is a deficient number, since it is larger than the sum of its proper divisors (1).

544540351643 is an equidigital number, since it uses as much as digits as its factorization.

544540351643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 544540351643 in words is "five hundred forty-four billion, five hundred forty million, three hundred fifty-one thousand, six hundred forty-three".