544163997694 has 4 divisors (see below), whose sum is σ = 816245996544. Its totient is φ = 272081998846.

The previous prime is 544163997679. The next prime is 544163997709. The reversal of 544163997694 is 496799361445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 496799361445 = 5 ⋅99359872289.

It is an interprime number because it is at equal distance from previous prime (544163997679) and next prime (544163997709).

It is a super-2 number, since 2×544163997694² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136040999422 + ... + 136040999425.

It is an arithmetic number, because the mean of its divisors is an integer number (204061499136).

Almost surely, 2^544163997694 is an apocalyptic number.

544163997694 is a deficient number, since it is larger than the sum of its proper divisors (272081998850).

544163997694 is a wasteful number, since it uses less digits than its factorization.

544163997694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272081998849.

The product of its digits is 176359680, while the sum is 67.

The spelling of 544163997694 in words is "five hundred forty-four billion, one hundred sixty-three million, nine hundred ninety-seven thousand, six hundred ninety-four".