63450546343 has 16 divisors (see below), whose sum is σ = 69517815840. Its totient is φ = 57673921536.

The previous prime is 63450546329. The next prime is 63450546349. The reversal of 63450546343 is 34364505436.

63450546343 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 a de Polignac number, because none of the positive numbers 2^k-63450546343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63450546343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63450546349) 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, 422580 + ... + 552697.

It is an arithmetic number, because the mean of its divisors is an integer number (4344863490).

Almost surely, 2^63450546343 is an apocalyptic number.

63450546343 is a deficient number, since it is larger than the sum of its proper divisors (6067269497).

63450546343 is a wasteful number, since it uses less digits than its factorization.

63450546343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975426.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 63450546343 in words is "sixty-three billion, four hundred fifty million, five hundred forty-six thousand, three hundred forty-three".