5421323461 has 2 divisors, whose sum is σ = 5421323462. Its totient is φ = 5421323460.

The previous prime is 5421323459. The next prime is 5421323569. The reversal of 5421323461 is 1643231245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5128708225 + 292615236 = 71615^2 + 17106^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421323461 - 2¹ = 5421323459 is a prime.

Together with 5421323459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421323161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710661730 + 2710661731.

It is an arithmetic number, because the mean of its divisors is an integer number (2710661731).

Almost surely, 2^5421323461 is an apocalyptic number.

It is an amenable number.

5421323461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421323461 is an equidigital number, since it uses as much as digits as its factorization.

5421323461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 5421323461 is about 73629.6371103376. The cubic root of 5421323461 is about 1756.7168758366.

The spelling of 5421323461 in words is "five billion, four hundred twenty-one million, three hundred twenty-three thousand, four hundred sixty-one".