63404146453 has 8 divisors (see below), whose sum is σ = 63996683960. Its totient is φ = 62811806400.

The previous prime is 63404146451. The next prime is 63404146489. The reversal of 63404146453 is 35464140436.

It can be written as a sum of positive squares in 4 ways, for example, as 30533368644 + 32870777809 = 174738^2 + 181303^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63404146453 - 2¹ = 63404146451 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 (63404146451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640651 + ... + 732967.

It is an arithmetic number, because the mean of its divisors is an integer number (7999585495).

Almost surely, 2^63404146453 is an apocalyptic number.

It is an amenable number.

63404146453 is a deficient number, since it is larger than the sum of its proper divisors (592537507).

63404146453 is a wasteful number, since it uses less digits than its factorization.

63404146453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98727.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 63404146453 its reverse (35464140436), we get a palindrome (98868286889).

The spelling of 63404146453 in words is "sixty-three billion, four hundred four million, one hundred forty-six thousand, four hundred fifty-three".