516875870121493 has 2 divisors, whose sum is σ = 516875870121494. Its totient is φ = 516875870121492.

The previous prime is 516875870121463. The next prime is 516875870121553. The reversal of 516875870121493 is 394121078578615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384795969391089 + 132079900730404 = 19616217^2 + 11492602^2 .

It is a cyclic number.

It is not a de Polignac number, because 516875870121493 - 2⁵ = 516875870121461 is a prime.

It is a super-2 number, since 2×516875870121493² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516875870121463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258437935060746 + 258437935060747.

It is an arithmetic number, because the mean of its divisors is an integer number (258437935060747).

It is a 2-persistent number, because it is pandigital, and so is 2⋅516875870121493 = 1033751740242986, but 3⋅516875870121493 = 1550627610364479 is not.

Almost surely, 2^{516875870121493} is an apocalyptic number.

It is an amenable number.

516875870121493 is a deficient number, since it is larger than the sum of its proper divisors (1).

516875870121493 is an equidigital number, since it uses as much as digits as its factorization.

516875870121493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101606400, while the sum is 67.

The spelling of 516875870121493 in words is "five hundred sixteen trillion, eight hundred seventy-five billion, eight hundred seventy million, one hundred twenty-one thousand, four hundred ninety-three".