652322677781 has 4 divisors (see below), whose sum is σ = 652903553952. Its totient is φ = 651741801612.

The previous prime is 652322677753. The next prime is 652322677813. The reversal of 652322677781 is 187776223256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652322677781 - 2³⁰ = 651248935957 is a prime.

It is a super-2 number, since 2×652322677781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652322677751) 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 3 ways as a sum of consecutive naturals, for example, 290436401 + ... + 290438646.

It is an arithmetic number, because the mean of its divisors is an integer number (163225888488).

Almost surely, 2^652322677781 is an apocalyptic number.

It is an amenable number.

652322677781 is a deficient number, since it is larger than the sum of its proper divisors (580876171).

652322677781 is a wasteful number, since it uses less digits than its factorization.

652322677781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580876170.

The product of its digits is 11854080, while the sum is 56.

The spelling of 652322677781 in words is "six hundred fifty-two billion, three hundred twenty-two million, six hundred seventy-seven thousand, seven hundred eighty-one".