516949499 has 4 divisors (see below), whose sum is σ = 563944920. Its totient is φ = 469954080.

The previous prime is 516949453. The next prime is 516949513. The reversal of 516949499 is 994949615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516949499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516949429) 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, 23497694 + ... + 23497715.

It is an arithmetic number, because the mean of its divisors is an integer number (140986230).

Almost surely, 2^516949499 is an apocalyptic number.

516949499 is a deficient number, since it is larger than the sum of its proper divisors (46995421).

516949499 is a wasteful number, since it uses less digits than its factorization.

516949499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46995420.

The product of its digits is 3149280, while the sum is 56.

The square root of 516949499 is about 22736.5234589636. The cubic root of 516949499 is about 802.5696016598.

The spelling of 516949499 in words is "five hundred sixteen million, nine hundred forty-nine thousand, four hundred ninety-nine".