5144671663 has 4 divisors (see below), whose sum is σ = 5146125640. Its totient is φ = 5143217688.

The previous prime is 5144671657. The next prime is 5144671669. The reversal of 5144671663 is 3661764415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3661764415 = 5 ⋅732352883.

It is an interprime number because it is at equal distance from previous prime (5144671657) and next prime (5144671669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5144671663 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 (5144671669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721668 + ... + 728761.

It is an arithmetic number, because the mean of its divisors is an integer number (1286531410).

Almost surely, 2^5144671663 is an apocalyptic number.

5144671663 is a deficient number, since it is larger than the sum of its proper divisors (1453977).

5144671663 is a wasteful number, since it uses less digits than its factorization.

5144671663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453976.

The product of its digits is 362880, while the sum is 43.

The square root of 5144671663 is about 71726.3665816135. The cubic root of 5144671663 is about 1726.3117279542.

The spelling of 5144671663 in words is "five billion, one hundred forty-four million, six hundred seventy-one thousand, six hundred sixty-three".