544946893 has 4 divisors (see below), whose sum is σ = 545159808. Its totient is φ = 544733980.

The previous prime is 544946881. The next prime is 544946903. The reversal of 544946893 is 398649445.

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: 398649445 = 5 ⋅79729889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544946893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544946893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544946803) 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, 102571 + ... + 107752.

It is an arithmetic number, because the mean of its divisors is an integer number (136289952).

Almost surely, 2^544946893 is an apocalyptic number.

It is an amenable number.

544946893 is a deficient number, since it is larger than the sum of its proper divisors (212915).

544946893 is a wasteful number, since it uses less digits than its factorization.

544946893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212914.

The product of its digits is 3732480, while the sum is 52.

The square root of 544946893 is about 23344.0976051763. The cubic root of 544946893 is about 816.8043844013.

The spelling of 544946893 in words is "five hundred forty-four million, nine hundred forty-six thousand, eight hundred ninety-three".