544665963 has 4 divisors (see below), whose sum is σ = 726221288. Its totient is φ = 363110640.

The previous prime is 544665929. The next prime is 544665971. The reversal of 544665963 is 369566445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 544665963 - 2²¹ = 542568811 is a prime.

It is a super-2 number, since 2×544665963² = 593322022501434738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544665923) 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, 90777658 + ... + 90777663.

It is an arithmetic number, because the mean of its divisors is an integer number (181555322).

Almost surely, 2^544665963 is an apocalyptic number.

544665963 is a deficient number, since it is larger than the sum of its proper divisors (181555325).

544665963 is a wasteful number, since it uses less digits than its factorization.

544665963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181555324.

The product of its digits is 2332800, while the sum is 48.

The square root of 544665963 is about 23338.0796767857. The cubic root of 544665963 is about 816.6640011205.

The spelling of 544665963 in words is "five hundred forty-four million, six hundred sixty-five thousand, nine hundred sixty-three".