63425321051 has 16 divisors (see below), whose sum is σ = 64948754880. Its totient is φ = 61920445440.

The previous prime is 63425321039. The next prime is 63425321053. The reversal of 63425321051 is 15012352436.

It is a happy number.

63425321051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 63425321051 - 2²⁶ = 63358212187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63425320999 and 63425321017.

It is not an unprimeable number, because it can be changed into a prime (63425321053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10338581 + ... + 10344713.

It is an arithmetic number, because the mean of its divisors is an integer number (4059297180).

Almost surely, 2^63425321051 is an apocalyptic number.

63425321051 is a deficient number, since it is larger than the sum of its proper divisors (1523433829).

63425321051 is a wasteful number, since it uses less digits than its factorization.

63425321051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 63425321051 its reverse (15012352436), we get a palindrome (78437673487).

The spelling of 63425321051 in words is "sixty-three billion, four hundred twenty-five million, three hundred twenty-one thousand, fifty-one".