204264652651 has 16 divisors (see below), whose sum is σ = 219654974880. Its totient is φ = 189271779840.

The previous prime is 204264652649. The next prime is 204264652661. The reversal of 204264652651 is 156256462402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204264652651 - 2¹ = 204264652649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204264652598 and 204264652607.

It is not an unprimeable number, because it can be changed into a prime (204264652661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60145 + ... + 641986.

It is an arithmetic number, because the mean of its divisors is an integer number (13728435930).

Almost surely, 2^204264652651 is an apocalyptic number.

204264652651 is a deficient number, since it is larger than the sum of its proper divisors (15390322229).

204264652651 is a wasteful number, since it uses less digits than its factorization.

204264652651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702414.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 204264652651 in words is "two hundred four billion, two hundred sixty-four million, six hundred fifty-two thousand, six hundred fifty-one".