63993741999 has 8 divisors (see below), whose sum is σ = 93081806592. Its totient is φ = 38784086040.

The previous prime is 63993741991. The next prime is 63993742063. The reversal of 63993741999 is 99914739936.

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

It is not a de Polignac number, because 63993741999 - 2³ = 63993741991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63993741991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969602119 + ... + 969602184.

It is an arithmetic number, because the mean of its divisors is an integer number (11635225824).

Almost surely, 2^63993741999 is an apocalyptic number.

63993741999 is a deficient number, since it is larger than the sum of its proper divisors (29088064593).

63993741999 is a wasteful number, since it uses less digits than its factorization.

63993741999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939204317.

The product of its digits is 89282088, while the sum is 69.

The spelling of 63993741999 in words is "sixty-three billion, nine hundred ninety-three million, seven hundred forty-one thousand, nine hundred ninety-nine".