5290621861009 has 2 divisors, whose sum is σ = 5290621861010. Its totient is φ = 5290621861008.

The previous prime is 5290621860991. The next prime is 5290621861141. The reversal of 5290621861009 is 9001681260925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4178050464784 + 1112571396225 = 2044028^2 + 1054785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5290621861009 - 2³³ = 5282031926417 is a prime.

It is not a weakly prime, because it can be changed into another prime (5290621861409) 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, 2645310930504 + 2645310930505.

It is an arithmetic number, because the mean of its divisors is an integer number (2645310930505).

Almost surely, 2^{5290621861009} is an apocalyptic number.

It is an amenable number.

5290621861009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5290621861009 is an equidigital number, since it uses as much as digits as its factorization.

5290621861009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 5290621861009 in words is "five trillion, two hundred ninety billion, six hundred twenty-one million, eight hundred sixty-one thousand, nine".