5020506351997 has 2 divisors, whose sum is σ = 5020506351998. Its totient is φ = 5020506351996.

The previous prime is 5020506351989. The next prime is 5020506352007. The reversal of 5020506351997 is 7991536050205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4988919820921 + 31586531076 = 2233589^2 + 177726^2 .

It is a cyclic number.

It is not a de Polignac number, because 5020506351997 - 2³ = 5020506351989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5020506352997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510253175998 + 2510253175999.

It is an arithmetic number, because the mean of its divisors is an integer number (2510253175999).

Almost surely, 2^{5020506351997} is an apocalyptic number.

It is an amenable number.

5020506351997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020506351997 is an equidigital number, since it uses as much as digits as its factorization.

5020506351997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 5020506351997 in words is "five trillion, twenty billion, five hundred six million, three hundred fifty-one thousand, nine hundred ninety-seven".