63454553610 has 96 divisors (see below), whose sum is σ = 177556473792. Its totient is φ = 14471009280.

The previous prime is 63454553551. The next prime is 63454553611. The reversal of 63454553610 is 1635545436.

63454553610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (63454553611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602490 + ... + 699930.

It is an arithmetic number, because the mean of its divisors is an integer number (1849546602).

Almost surely, 2^63454553610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63454553610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88778236896).

63454553610 is an abundant number, since it is smaller than the sum of its proper divisors (114101920182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63454553610 is a wasteful number, since it uses less digits than its factorization.

63454553610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97908 (or 97901 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 63454553610 in words is "sixty-three billion, four hundred fifty-four million, five hundred fifty-three thousand, six hundred ten".