63640204413 has 8 divisors (see below), whose sum is σ = 84870600000. Its totient is φ = 42418305888.

The previous prime is 63640204319. The next prime is 63640204423. The reversal of 63640204413 is 31440204636.

63640204413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63640204413 - 2¹⁸ = 63639942269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63640204423) 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, 2106768 + ... + 2136761.

It is an arithmetic number, because the mean of its divisors is an integer number (10608825000).

Almost surely, 2^63640204413 is an apocalyptic number.

It is an amenable number.

63640204413 is a deficient number, since it is larger than the sum of its proper divisors (21230395587).

63640204413 is a wasteful number, since it uses less digits than its factorization.

63640204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248531.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 63640204413 in words is "sixty-three billion, six hundred forty million, two hundred four thousand, four hundred thirteen".