63425021306 has 8 divisors (see below), whose sum is σ = 99273946464. Its totient is φ = 30333705820.

The previous prime is 63425021291. The next prime is 63425021369. The reversal of 63425021306 is 60312052436.

63425021306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689402360 + ... + 689402451.

It is an arithmetic number, because the mean of its divisors is an integer number (12409243308).

Almost surely, 2^63425021306 is an apocalyptic number.

63425021306 is a deficient number, since it is larger than the sum of its proper divisors (35848925158).

63425021306 is a wasteful number, since it uses less digits than its factorization.

63425021306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378804836.

The product of its (nonzero) digits is 25920, while the sum is 32.

It can be divided in two parts, 634250 and 21306, that added together give a palindrome (655556).

The spelling of 63425021306 in words is "sixty-three billion, four hundred twenty-five million, twenty-one thousand, three hundred six".