652690231850 has 24 divisors (see below), whose sum is σ = 1285415822988. Its totient is φ = 245718675200.

The previous prime is 652690231847. The next prime is 652690231859. The reversal of 652690231850 is 58132096256.

It can be written as a sum of positive squares in 6 ways, for example, as 472118777881 + 180571453969 = 687109^2 + 424937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 652690231795 and 652690231804.

It is not an unprimeable number, because it can be changed into a prime (652690231859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383934581 + ... + 383936280.

Almost surely, 2^652690231850 is an apocalyptic number.

652690231850 is a deficient number, since it is larger than the sum of its proper divisors (632725591138).

652690231850 is a wasteful number, since it uses less digits than its factorization.

652690231850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767870890 (or 767870885 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 652690231850 in words is "six hundred fifty-two billion, six hundred ninety million, two hundred thirty-one thousand, eight hundred fifty".