544254042197 has 4 divisors (see below), whose sum is σ = 553478687040. Its totient is φ = 535029397356.

The previous prime is 544254042187. The next prime is 544254042223. The reversal of 544254042197 is 791240452445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791240452445 = 5 ⋅158248090489.

It is a cyclic number.

It is not a de Polignac number, because 544254042197 - 2⁶ = 544254042133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544254042187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4612322333 + ... + 4612322450.

It is an arithmetic number, because the mean of its divisors is an integer number (138369671760).

Almost surely, 2^544254042197 is an apocalyptic number.

It is an amenable number.

544254042197 is a deficient number, since it is larger than the sum of its proper divisors (9224644843).

544254042197 is an equidigital number, since it uses as much as digits as its factorization.

544254042197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224644842.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 544254042197 in words is "five hundred forty-four billion, two hundred fifty-four million, forty-two thousand, one hundred ninety-seven".