63266121425 has 12 divisors (see below), whose sum is σ = 84484605660. Its totient is φ = 46719597120.

The previous prime is 63266121421. The next prime is 63266121461. The reversal of 63266121425 is 52412166236.

It can be written as a sum of positive squares in 6 ways, for example, as 25426534849 + 37839586576 = 159457^2 + 194524^2 .

It is not a de Polignac number, because 63266121425 - 2² = 63266121421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63266121421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97332170 + ... + 97332819.

It is an arithmetic number, because the mean of its divisors is an integer number (7040383805).

Almost surely, 2^63266121425 is an apocalyptic number.

63266121425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63266121425 is a deficient number, since it is larger than the sum of its proper divisors (21218484235).

63266121425 is a wasteful number, since it uses less digits than its factorization.

63266121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194665012 (or 194665007 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The spelling of 63266121425 in words is "sixty-three billion, two hundred sixty-six million, one hundred twenty-one thousand, four hundred twenty-five".