516345014641 has 4 divisors (see below), whose sum is σ = 516364122484. Its totient is φ = 516325906800.

The previous prime is 516345014629. The next prime is 516345014677. The reversal of 516345014641 is 146410543615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 329098416241 + 187246598400 = 573671^2 + 432720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516345014641 is a prime.

It is a super-2 number, since 2×516345014641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516345014594 and 516345014603.

It is not an unprimeable number, because it can be changed into a prime (516345014041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9513330 + ... + 9567451.

It is an arithmetic number, because the mean of its divisors is an integer number (129091030621).

Almost surely, 2^516345014641 is an apocalyptic number.

It is an amenable number.

516345014641 is a deficient number, since it is larger than the sum of its proper divisors (19107843).

516345014641 is a wasteful number, since it uses less digits than its factorization.

516345014641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19107842.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 516345014641 in words is "five hundred sixteen billion, three hundred forty-five million, fourteen thousand, six hundred forty-one".