652218615946 has 16 divisors (see below), whose sum is σ = 1035915136776. Its totient is φ = 306914996736.

The previous prime is 652218615911. The next prime is 652218615947. The reversal of 652218615946 is 649516812256.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 613582389225 + 38636226721 = 783315^2 + 196561^2 .

It is not an unprimeable number, because it can be changed into a prime (652218615947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609310 + ... + 1294486.

Almost surely, 2^652218615946 is an apocalyptic number.

652218615946 is a deficient number, since it is larger than the sum of its proper divisors (383696520830).

652218615946 is a wasteful number, since it uses less digits than its factorization.

652218615946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713193.

The product of its digits is 6220800, while the sum is 55.

The spelling of 652218615946 in words is "six hundred fifty-two billion, two hundred eighteen million, six hundred fifteen thousand, nine hundred forty-six".