63872452901 has 8 divisors (see below), whose sum is σ = 63989110680. Its totient is φ = 63755903232.

The previous prime is 63872452877. The next prime is 63872452909. The reversal of 63872452901 is 10925427836.

63872452901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 252730²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 21085944100 + 42786508801 = 145210^2 + 206849^2 .

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 63872452901 - 2¹⁸ = 63872190757 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 (63872452909) 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, 1206455 + ... + 1258283.

It is an arithmetic number, because the mean of its divisors is an integer number (7998638835).

It is a 1-persistent number, because it is pandigital, but 2⋅63872452901 = 127744905802 is not.

Almost surely, 2^63872452901 is an apocalyptic number.

It is an amenable number.

63872452901 is a deficient number, since it is larger than the sum of its proper divisors (116657779).

63872452901 is a wasteful number, since it uses less digits than its factorization.

63872452901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54055.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 63872452901 in words is "sixty-three billion, eight hundred seventy-two million, four hundred fifty-two thousand, nine hundred one".