63293728129 has 8 divisors (see below), whose sum is σ = 66241618560. Its totient is φ = 60362170176.

The previous prime is 63293728079. The next prime is 63293728139. The reversal of 63293728129 is 92182739236.

63293728129 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 a cyclic number.

It is not a de Polignac number, because 63293728129 - 2⁹ = 63293727617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63293728139) 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, 4075189 + ... + 4090690.

It is an arithmetic number, because the mean of its divisors is an integer number (8280202320).

Almost surely, 2^63293728129 is an apocalyptic number.

It is an amenable number.

63293728129 is a deficient number, since it is larger than the sum of its proper divisors (2947890431).

63293728129 is a wasteful number, since it uses less digits than its factorization.

63293728129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166239.

The product of its digits is 1959552, while the sum is 52.

The spelling of 63293728129 in words is "sixty-three billion, two hundred ninety-three million, seven hundred twenty-eight thousand, one hundred twenty-nine".