5472021791 has 2 divisors, whose sum is σ = 5472021792. Its totient is φ = 5472021790.

The previous prime is 5472021781. The next prime is 5472021809. The reversal of 5472021791 is 1971202745.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5472021791 - 2¹⁸ = 5471759647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5472021781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2736010895 + 2736010896.

It is an arithmetic number, because the mean of its divisors is an integer number (2736010896).

Almost surely, 2^5472021791 is an apocalyptic number.

5472021791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5472021791 is an equidigital number, since it uses as much as digits as its factorization.

5472021791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5472021791 is about 73973.1153257722. The cubic root of 5472021791 is about 1762.1759621313.

The spelling of 5472021791 in words is "five billion, four hundred seventy-two million, twenty-one thousand, seven hundred ninety-one".