5431944063 has 128 divisors (see below), whose sum is σ = 9688154112. Its totient is φ = 2629034496.

The previous prime is 5431944061. The next prime is 5431944071. The reversal of 5431944063 is 3604491345.

It is not a de Polignac number, because 5431944063 - 2¹ = 5431944061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431944061) 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 127 ways as a sum of consecutive naturals, for example, 23929156 + ... + 23929382.

It is an arithmetic number, because the mean of its divisors is an integer number (75688704).

Almost surely, 2^5431944063 is an apocalyptic number.

5431944063 is a deficient number, since it is larger than the sum of its proper divisors (4256210049).

5431944063 is a wasteful number, since it uses less digits than its factorization.

5431944063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 5431944063 is about 73701.7236094245. The cubic root of 5431944063 is about 1757.8632884301.

The spelling of 5431944063 in words is "five billion, four hundred thirty-one million, nine hundred forty-four thousand, sixty-three".