5949738680021 has 2 divisors, whose sum is σ = 5949738680022. Its totient is φ = 5949738680020.

The previous prime is 5949738679979. The next prime is 5949738680077. The reversal of 5949738680021 is 1200868379495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5082206640625 + 867532039396 = 2254375^2 + 931414^2 .

It is a cyclic number.

It is not a de Polignac number, because 5949738680021 - 2³⁰ = 5948664938197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5949738680621) 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, 2974869340010 + 2974869340011.

It is an arithmetic number, because the mean of its divisors is an integer number (2974869340011).

It is a 1-persistent number, because it is pandigital, but 2⋅5949738680021 = 11899477360042 is not.

Almost surely, 2^{5949738680021} is an apocalyptic number.

It is an amenable number.

5949738680021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5949738680021 is an equidigital number, since it uses as much as digits as its factorization.

5949738680021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 5949738680021 in words is "five trillion, nine hundred forty-nine billion, seven hundred thirty-eight million, six hundred eighty thousand, twenty-one".