5430371021 has 2 divisors, whose sum is σ = 5430371022. Its totient is φ = 5430371020.

The previous prime is 5430370973. The next prime is 5430371041. The reversal of 5430371021 is 1201730345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5120118025 + 310252996 = 71555^2 + 17614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5430371021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5430371041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715185510 + 2715185511.

It is an arithmetic number, because the mean of its divisors is an integer number (2715185511).

Almost surely, 2^5430371021 is an apocalyptic number.

It is an amenable number.

5430371021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5430371021 is an equidigital number, since it uses as much as digits as its factorization.

5430371021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 5430371021 is about 73691.0511595540. The cubic root of 5430371021 is about 1757.6935849305.

The spelling of 5430371021 in words is "five billion, four hundred thirty million, three hundred seventy-one thousand, twenty-one".