63754354694 has 4 divisors (see below), whose sum is σ = 95631532044. Its totient is φ = 31877177346.

The previous prime is 63754354693. The next prime is 63754354717. The reversal of 63754354694 is 49645345736.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63754354691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15938588672 + ... + 15938588675.

It is an arithmetic number, because the mean of its divisors is an integer number (23907883011).

Almost surely, 2^63754354694 is an apocalyptic number.

63754354694 is a deficient number, since it is larger than the sum of its proper divisors (31877177350).

63754354694 is a wasteful number, since it uses less digits than its factorization.

63754354694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31877177349.

The product of its digits is 32659200, while the sum is 56.

The spelling of 63754354694 in words is "sixty-three billion, seven hundred fifty-four million, three hundred fifty-four thousand, six hundred ninety-four".