64194030718 has 16 divisors (see below), whose sum is σ = 101972461680. Its totient is φ = 30203848576.

The previous prime is 64194030697. The next prime is 64194030757. The reversal of 64194030718 is 81703049146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48405 + ... + 361567.

It is an arithmetic number, because the mean of its divisors is an integer number (6373278855).

Almost surely, 2^64194030718 is an apocalyptic number.

64194030718 is a deficient number, since it is larger than the sum of its proper divisors (37778430962).

64194030718 is a wasteful number, since it uses less digits than its factorization.

64194030718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319211.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 64194030718 in words is "sixty-four billion, one hundred ninety-four million, thirty thousand, seven hundred eighteen".