63425221235 has 16 divisors (see below), whose sum is σ = 77993160960. Its totient is φ = 49488334560.

The previous prime is 63425221229. The next prime is 63425221259. The reversal of 63425221235 is 53212252436.

It is not a de Polignac number, because 63425221235 - 2²⁴ = 63408444019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63425221195 and 63425221204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64895 + ... + 362024.

It is an arithmetic number, because the mean of its divisors is an integer number (4874572560).

Almost surely, 2^63425221235 is an apocalyptic number.

63425221235 is a deficient number, since it is larger than the sum of its proper divisors (14567939725).

63425221235 is a wasteful number, since it uses less digits than its factorization.

63425221235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427658.

The product of its digits is 86400, while the sum is 35.

The spelling of 63425221235 in words is "sixty-three billion, four hundred twenty-five million, two hundred twenty-one thousand, two hundred thirty-five".