4515871957973 has 2 divisors, whose sum is σ = 4515871957974. Its totient is φ = 4515871957972.

The previous prime is 4515871957939. The next prime is 4515871958009. The reversal of 4515871957973 is 3797591785154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4222375644964 + 293496313009 = 2054842^2 + 541753^2 .

It is a cyclic number.

It is not a de Polignac number, because 4515871957973 - 2²⁰ = 4515870909397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4515871957897 and 4515871957906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4515871957273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2257935978986 + 2257935978987.

It is an arithmetic number, because the mean of its divisors is an integer number (2257935978987).

Almost surely, 2^{4515871957973} is an apocalyptic number.

It is an amenable number.

4515871957973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4515871957973 is an equidigital number, since it uses as much as digits as its factorization.

4515871957973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396000, while the sum is 71.

The spelling of 4515871957973 in words is "four trillion, five hundred fifteen billion, eight hundred seventy-one million, nine hundred fifty-seven thousand, nine hundred seventy-three".