652229679645 has 18 divisors (see below), whose sum is σ = 1130540835294. Its totient is φ = 347852939760.

The previous prime is 652229679601. The next prime is 652229679653. The reversal of 652229679645 is 546976922256.

It is a happy number.

652229679645 is a `hidden beast` number, since 6 + 522 + 2 + 9 + 67 + 9 + 6 + 45 = 666.

It can be written as a sum of positive squares in only one way, i.e., 521783743716 + 130445935929 = 722346^2 + 361173^2 .

It is not a de Polignac number, because 652229679645 - 2¹² = 652229675549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5357400 + ... + 5477790.

It is an arithmetic number, because the mean of its divisors is an integer number (62807824183).

Almost surely, 2^652229679645 is an apocalyptic number.

It is an amenable number.

652229679645 is a deficient number, since it is larger than the sum of its proper divisors (478311155649).

652229679645 is an frugal number, since it uses more digits than its factorization.

652229679645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240793 (or 120399 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 652229679645 in words is "six hundred fifty-two billion, two hundred twenty-nine million, six hundred seventy-nine thousand, six hundred forty-five".