469245550225 has 27 divisors (see below), whose sum is σ = 618181883697. Its totient is φ = 353270455680.

The previous prime is 469245550211. The next prime is 469245550271. The reversal of 469245550225 is 522055542964.

The square root of 469245550225 is 685015.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10976124289 + 458269425936 = 104767^2 + 676956^2 .

It is not a de Polignac number, because 469245550225 - 2¹³ = 469245542033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58222246 + ... + 58230304.

Almost surely, 2^469245550225 is an apocalyptic number.

469245550225 is the 685015-th square number.

469245550225 is the 342508-th centered octagonal number.

It is an amenable number.

469245550225 is a deficient number, since it is larger than the sum of its proper divisors (148936333472).

469245550225 is an frugal number, since it uses more digits than its factorization.

469245550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162 (or 8081 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

Multiplying 469245550225 by its sum of digits (49), we get a square (22993031961025 = 4795105²).

The spelling of 469245550225 in words is "four hundred sixty-nine billion, two hundred forty-five million, five hundred fifty thousand, two hundred twenty-five".