5461322746421 has 2 divisors, whose sum is σ = 5461322746422. Its totient is φ = 5461322746420.

The previous prime is 5461322746387. The next prime is 5461322746463. The reversal of 5461322746421 is 1246472231645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5088137376100 + 373185370321 = 2255690^2 + 610889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5461322746421 is a prime.

It is a super-2 number, since 2×5461322746421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5461322746471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730661373210 + 2730661373211.

It is an arithmetic number, because the mean of its divisors is an integer number (2730661373211).

Almost surely, 2^{5461322746421} is an apocalyptic number.

It is an amenable number.

5461322746421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5461322746421 is an equidigital number, since it uses as much as digits as its factorization.

5461322746421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 47.

The spelling of 5461322746421 in words is "five trillion, four hundred sixty-one billion, three hundred twenty-two million, seven hundred forty-six thousand, four hundred twenty-one".