547837980491 has 2 divisors, whose sum is σ = 547837980492. Its totient is φ = 547837980490.

The previous prime is 547837980449. The next prime is 547837980497. The reversal of 547837980491 is 194089738745.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547837980491 is a prime.

It is a super-3 number, since 3×547837980491³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (547837980497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273918990245 + 273918990246.

It is an arithmetic number, because the mean of its divisors is an integer number (273918990246).

Almost surely, 2^547837980491 is an apocalyptic number.

547837980491 is a deficient number, since it is larger than the sum of its proper divisors (1).

547837980491 is an equidigital number, since it uses as much as digits as its factorization.

547837980491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 547837980491 in words is "five hundred forty-seven billion, eight hundred thirty-seven million, nine hundred eighty thousand, four hundred ninety-one".