516914693 has 4 divisors (see below), whose sum is σ = 517040268. Its totient is φ = 516789120.

The previous prime is 516914683. The next prime is 516914701. The reversal of 516914693 is 396419615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396419615 = 5 ⋅79283923.

It can be written as a sum of positive squares in 2 ways, for example, as 456976129 + 59938564 = 21377^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 516914693 - 2²² = 512720389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516914623) 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, 56396 + ... + 64917.

It is an arithmetic number, because the mean of its divisors is an integer number (129260067).

Almost surely, 2^516914693 is an apocalyptic number.

It is an amenable number.

516914693 is a deficient number, since it is larger than the sum of its proper divisors (125575).

516914693 is a wasteful number, since it uses less digits than its factorization.

516914693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125574.

The product of its digits is 174960, while the sum is 44.

The square root of 516914693 is about 22735.7580256300. The cubic root of 516914693 is about 802.5515890270.

The spelling of 516914693 in words is "five hundred sixteen million, nine hundred fourteen thousand, six hundred ninety-three".