516506001469 has 2 divisors, whose sum is σ = 516506001470. Its totient is φ = 516506001468.

The previous prime is 516506001461. The next prime is 516506001527. The reversal of 516506001469 is 964100605615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479468998969 + 37037002500 = 692437^2 + 192450^2 .

It is a cyclic number.

It is not a de Polignac number, because 516506001469 - 2³ = 516506001461 is a prime.

It is a super-2 number, since 2×516506001469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516506001461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258253000734 + 258253000735.

It is an arithmetic number, because the mean of its divisors is an integer number (258253000735).

Almost surely, 2^516506001469 is an apocalyptic number.

It is an amenable number.

516506001469 is a deficient number, since it is larger than the sum of its proper divisors (1).

516506001469 is an equidigital number, since it uses as much as digits as its factorization.

516506001469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 516506001469 in words is "five hundred sixteen billion, five hundred six million, one thousand, four hundred sixty-nine".