5403424246621 has 2 divisors, whose sum is σ = 5403424246622. Its totient is φ = 5403424246620.

The previous prime is 5403424246579. The next prime is 5403424246643. The reversal of 5403424246621 is 1266424243045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5402114820025 + 1309426596 = 2324245^2 + 36186^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403424246621 - 2¹⁵ = 5403424213853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5403424246321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701712123310 + 2701712123311.

It is an arithmetic number, because the mean of its divisors is an integer number (2701712123311).

Almost surely, 2^{5403424246621} is an apocalyptic number.

It is an amenable number.

5403424246621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5403424246621 is an equidigital number, since it uses as much as digits as its factorization.

5403424246621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 43.

Adding to 5403424246621 its reverse (1266424243045), we get a palindrome (6669848489666).

The spelling of 5403424246621 in words is "five trillion, four hundred three billion, four hundred twenty-four million, two hundred forty-six thousand, six hundred twenty-one".