63460453021 has 4 divisors (see below), whose sum is σ = 72526232032. Its totient is φ = 54394674012.

The previous prime is 63460453003. The next prime is 63460453033. The reversal of 63460453021 is 12035406436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63460453021 - 2⁵ = 63460452989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63460433021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4532889495 + ... + 4532889508.

It is an arithmetic number, because the mean of its divisors is an integer number (18131558008).

Almost surely, 2^63460453021 is an apocalyptic number.

It is an amenable number.

63460453021 is a deficient number, since it is larger than the sum of its proper divisors (9065779011).

63460453021 is an equidigital number, since it uses as much as digits as its factorization.

63460453021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9065779010.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 63460453021 its reverse (12035406436), we get a palindrome (75495859457).

The spelling of 63460453021 in words is "sixty-three billion, four hundred sixty million, four hundred fifty-three thousand, twenty-one".