6423766285225 has 9 divisors (see below), whose sum is σ = 7965485907703. Its totient is φ = 5139002890120.

The previous prime is 6423766285177. The next prime is 6423766285231. The reversal of 6423766285225 is 5225826673246.

The square root of 6423766285225 is 2534515.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2312555862681 + 4111210422544 = 1520709^2 + 2027612^2 .

It is not a de Polignac number, because 6423766285225 - 2⁹ = 6423766284713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6423766285225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12419124 + ... + 12926026.

Almost surely, 2^{6423766285225} is an apocalyptic number.

6423766285225 is the 2534515-th square number.

6423766285225 is the 1267258-th centered octagonal number.

It is an amenable number.

6423766285225 is a deficient number, since it is larger than the sum of its proper divisors (1541719622478).

6423766285225 is an frugal number, since it uses more digits than its factorization.

6423766285225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013816 (or 506908 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 58.

The spelling of 6423766285225 in words is "six trillion, four hundred twenty-three billion, seven hundred sixty-six million, two hundred eighty-five thousand, two hundred twenty-five".