5335330401421 has 2 divisors, whose sum is σ = 5335330401422. Its totient is φ = 5335330401420.

The previous prime is 5335330401407. The next prime is 5335330401469. The reversal of 5335330401421 is 1241040335335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4399107734025 + 936222667396 = 2097405^2 + 967586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5335330401421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5335330401221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2667665200710 + 2667665200711.

It is an arithmetic number, because the mean of its divisors is an integer number (2667665200711).

Almost surely, 2^{5335330401421} is an apocalyptic number.

It is an amenable number.

5335330401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5335330401421 is an equidigital number, since it uses as much as digits as its factorization.

5335330401421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 5335330401421 its reverse (1241040335335), we get a palindrome (6576370736756).

The spelling of 5335330401421 in words is "five trillion, three hundred thirty-five billion, three hundred thirty million, four hundred one thousand, four hundred twenty-one".