5421443057 has 2 divisors, whose sum is σ = 5421443058. Its totient is φ = 5421443056.

The previous prime is 5421443051. The next prime is 5421443059. The reversal of 5421443057 is 7503441245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2759295841 + 2662147216 = 52529^2 + 51596^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421443057 - 2²⁴ = 5404665841 is a prime.

Together with 5421443059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5421443051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710721528 + 2710721529.

It is an arithmetic number, because the mean of its divisors is an integer number (2710721529).

Almost surely, 2^5421443057 is an apocalyptic number.

It is an amenable number.

5421443057 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421443057 is an equidigital number, since it uses as much as digits as its factorization.

5421443057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 5421443057 is about 73630.4492516513. The cubic root of 5421443057 is about 1756.7297936396.

The spelling of 5421443057 in words is "five billion, four hundred twenty-one million, four hundred forty-three thousand, fifty-seven".