5380207421 has 2 divisors, whose sum is σ = 5380207422. Its totient is φ = 5380207420.

The previous prime is 5380207367. The next prime is 5380207423. The reversal of 5380207421 is 1247020835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4387075225 + 993132196 = 66235^2 + 31514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5380207421 is a prime.

Together with 5380207423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5380207423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690103710 + 2690103711.

It is an arithmetic number, because the mean of its divisors is an integer number (2690103711).

Almost surely, 2^5380207421 is an apocalyptic number.

It is an amenable number.

5380207421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5380207421 is an equidigital number, since it uses as much as digits as its factorization.

5380207421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 5380207421 is about 73349.8972119253. The cubic root of 5380207421 is about 1752.2645427569.

The spelling of 5380207421 in words is "five billion, three hundred eighty million, two hundred seven thousand, four hundred twenty-one".