5471031421 has 2 divisors, whose sum is σ = 5471031422. Its totient is φ = 5471031420.

The previous prime is 5471031331. The next prime is 5471031481. The reversal of 5471031421 is 1241301745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2822796900 + 2648234521 = 53130^2 + 51461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5471031421 - 2²³ = 5462642813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5471031421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5471031481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2735515710 + 2735515711.

It is an arithmetic number, because the mean of its divisors is an integer number (2735515711).

Almost surely, 2^5471031421 is an apocalyptic number.

It is an amenable number.

5471031421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5471031421 is an equidigital number, since it uses as much as digits as its factorization.

5471031421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5471031421 is about 73966.4209016497. The cubic root of 5471031421 is about 1762.0696448461.

The spelling of 5471031421 in words is "five billion, four hundred seventy-one million, thirty-one thousand, four hundred twenty-one".