5001980521 has 2 divisors, whose sum is σ = 5001980522. Its totient is φ = 5001980520.

The previous prime is 5001980507. The next prime is 5001980551. The reversal of 5001980521 is 1250891005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4849729600 + 152250921 = 69640^2 + 12339^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001980521 - 2³¹ = 2854496873 is a prime.

It is not a weakly prime, because it can be changed into another prime (5001980551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500990260 + 2500990261.

It is an arithmetic number, because the mean of its divisors is an integer number (2500990261).

Almost surely, 2^5001980521 is an apocalyptic number.

It is an amenable number.

5001980521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001980521 is an equidigital number, since it uses as much as digits as its factorization.

5001980521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 5001980521 is about 70724.6811304229. The cubic root of 5001980521 is about 1710.2016930911.

The spelling of 5001980521 in words is "five billion, one million, nine hundred eighty thousand, five hundred twenty-one".