547244010421 has 2 divisors, whose sum is σ = 547244010422. Its totient is φ = 547244010420.

The previous prime is 547244010407. The next prime is 547244010461. The reversal of 547244010421 is 124010442745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528654051396 + 18589959025 = 727086^2 + 136345^2 .

It is a cyclic number.

It is not a de Polignac number, because 547244010421 - 2¹⁵ = 547243977653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547244010461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273622005210 + 273622005211.

It is an arithmetic number, because the mean of its divisors is an integer number (273622005211).

Almost surely, 2^547244010421 is an apocalyptic number.

It is an amenable number.

547244010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

547244010421 is an equidigital number, since it uses as much as digits as its factorization.

547244010421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 34.

The spelling of 547244010421 in words is "five hundred forty-seven billion, two hundred forty-four million, ten thousand, four hundred twenty-one".