63389432501 has 4 divisors (see below), whose sum is σ = 63394241772. Its totient is φ = 63384623232.

The previous prime is 63389432497. The next prime is 63389432503. The reversal of 63389432501 is 10523498336.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15116948401 + 48272484100 = 122951^2 + 219710^2 .

It is a cyclic number.

It is not a de Polignac number, because 63389432501 - 2² = 63389432497 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 (63389432503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384810 + ... + 2411243.

It is an arithmetic number, because the mean of its divisors is an integer number (15848560443).

Almost surely, 2^63389432501 is an apocalyptic number.

It is an amenable number.

63389432501 is a deficient number, since it is larger than the sum of its proper divisors (4809271).

63389432501 is a wasteful number, since it uses less digits than its factorization.

63389432501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809270.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 63389432501 in words is "sixty-three billion, three hundred eighty-nine million, four hundred thirty-two thousand, five hundred one".