63744071894 has 16 divisors (see below), whose sum is σ = 96836083200. Its totient is φ = 31465458024.

The previous prime is 63744071863. The next prime is 63744071899. The reversal of 63744071894 is 49817044736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63744071899) 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, 3080009 + ... + 3100635.

It is an arithmetic number, because the mean of its divisors is an integer number (6052255200).

Almost surely, 2^63744071894 is an apocalyptic number.

63744071894 is a deficient number, since it is larger than the sum of its proper divisors (33092011306).

63744071894 is a wasteful number, since it uses less digits than its factorization.

63744071894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 63744071894 in words is "sixty-three billion, seven hundred forty-four million, seventy-one thousand, eight hundred ninety-four".