52812864691 has 8 divisors (see below), whose sum is σ = 54240076800. Its totient is φ = 51392276160.

The previous prime is 52812864673. The next prime is 52812864697. The reversal of 52812864691 is 19646821825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52812864691 - 2⁷ = 52812864563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52812864697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639731 + ... + 1671628.

It is an arithmetic number, because the mean of its divisors is an integer number (6780009600).

Almost surely, 2^52812864691 is an apocalyptic number.

52812864691 is a deficient number, since it is larger than the sum of its proper divisors (1427212109).

52812864691 is a wasteful number, since it uses less digits than its factorization.

52812864691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311789.

The product of its digits is 1658880, while the sum is 52.

The spelling of 52812864691 in words is "fifty-two billion, eight hundred twelve million, eight hundred sixty-four thousand, six hundred ninety-one".