5437944751 has 4 divisors (see below), whose sum is σ = 5757823872. Its totient is φ = 5118065632.

The previous prime is 5437944739. The next prime is 5437944779. The reversal of 5437944751 is 1574497345.

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

It is a cyclic number.

It is not a de Polignac number, because 5437944751 - 2⁵ = 5437944719 is a prime.

It is a super-2 number, since 2×5437944751² = 59142486229856904002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5437944695 and 5437944704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437944731) 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, 159939535 + ... + 159939568.

It is an arithmetic number, because the mean of its divisors is an integer number (1439455968).

Almost surely, 2^5437944751 is an apocalyptic number.

5437944751 is a deficient number, since it is larger than the sum of its proper divisors (319879121).

5437944751 is a wasteful number, since it uses less digits than its factorization.

5437944751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319879120.

The product of its digits is 2116800, while the sum is 49.

The square root of 5437944751 is about 73742.4216513128. The cubic root of 5437944751 is about 1758.5103561662.

The spelling of 5437944751 in words is "five billion, four hundred thirty-seven million, nine hundred forty-four thousand, seven hundred fifty-one".