5128196259869 has 2 divisors, whose sum is σ = 5128196259870. Its totient is φ = 5128196259868.

The previous prime is 5128196259829. The next prime is 5128196259883. The reversal of 5128196259869 is 9689526918215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5069869179769 + 58327080100 = 2251637^2 + 241510^2 .

It is a cyclic number.

It is not a de Polignac number, because 5128196259869 - 2¹² = 5128196255773 is a prime.

It is a super-2 number, since 2×5128196259869² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5128196259829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564098129934 + 2564098129935.

It is an arithmetic number, because the mean of its divisors is an integer number (2564098129935).

Almost surely, 2^{5128196259869} is an apocalyptic number.

It is an amenable number.

5128196259869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128196259869 is an equidigital number, since it uses as much as digits as its factorization.

5128196259869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167961600, while the sum is 71.

The spelling of 5128196259869 in words is "five trillion, one hundred twenty-eight billion, one hundred ninety-six million, two hundred fifty-nine thousand, eight hundred sixty-nine".