516031432247 has 4 divisors (see below), whose sum is σ = 519494730600. Its totient is φ = 512568133896.

The previous prime is 516031432243. The next prime is 516031432253. The reversal of 516031432247 is 742234130615.

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

It is a cyclic number.

It is not a de Polignac number, because 516031432247 - 2² = 516031432243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516031432247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516031432243) 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, 1731648953 + ... + 1731649250.

It is an arithmetic number, because the mean of its divisors is an integer number (129873682650).

Almost surely, 2^516031432247 is an apocalyptic number.

516031432247 is a deficient number, since it is larger than the sum of its proper divisors (3463298353).

516031432247 is a wasteful number, since it uses less digits than its factorization.

516031432247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463298352.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 516031432247 in words is "five hundred sixteen billion, thirty-one million, four hundred thirty-two thousand, two hundred forty-seven".