5421146657617 has 2 divisors, whose sum is σ = 5421146657618. Its totient is φ = 5421146657616.

The previous prime is 5421146657557. The next prime is 5421146657653. The reversal of 5421146657617 is 7167566411245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4038267087936 + 1382879569681 = 2009544^2 + 1175959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5421146657617 is a prime.

It is not a weakly prime, because it can be changed into another prime (5421146657657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710573328808 + 2710573328809.

It is an arithmetic number, because the mean of its divisors is an integer number (2710573328809).

Almost surely, 2^{5421146657617} is an apocalyptic number.

It is an amenable number.

5421146657617 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421146657617 is an equidigital number, since it uses as much as digits as its factorization.

5421146657617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 55.

The spelling of 5421146657617 in words is "five trillion, four hundred twenty-one billion, one hundred forty-six million, six hundred fifty-seven thousand, six hundred seventeen".