63216741425 has 24 divisors (see below), whose sum is σ = 81813971904. Its totient is φ = 48364493760.

The previous prime is 63216741337. The next prime is 63216741437. The reversal of 63216741425 is 52414761236.

It is not a de Polignac number, because 63216741425 - 2⁸ = 63216741169 is a prime.

It is a super-2 number, since 2×63216741425² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3949739 + ... + 3965711.

It is an arithmetic number, because the mean of its divisors is an integer number (3408915496).

Almost surely, 2^63216741425 is an apocalyptic number.

It is an amenable number.

63216741425 is a deficient number, since it is larger than the sum of its proper divisors (18597230479).

63216741425 is a wasteful number, since it uses less digits than its factorization.

63216741425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22889 (or 22884 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 63216741425 in words is "sixty-three billion, two hundred sixteen million, seven hundred forty-one thousand, four hundred twenty-five".