5431944061 has 2 divisors, whose sum is σ = 5431944062. Its totient is φ = 5431944060.

The previous prime is 5431943981. The next prime is 5431944071. The reversal of 5431944061 is 1604491345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4157025625 + 1274918436 = 64475^2 + 35706^2 .

It is a cyclic number.

It is not a de Polignac number, because 5431944061 - 2¹⁵ = 5431911293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5431944061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5431944071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715972030 + 2715972031.

It is an arithmetic number, because the mean of its divisors is an integer number (2715972031).

Almost surely, 2^5431944061 is an apocalyptic number.

It is an amenable number.

5431944061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431944061 is an equidigital number, since it uses as much as digits as its factorization.

5431944061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 5431944061 is about 73701.7235958563. The cubic root of 5431944061 is about 1757.8632882144.

The spelling of 5431944061 in words is "five billion, four hundred thirty-one million, nine hundred forty-four thousand, sixty-one".