65079747742 has 4 divisors (see below), whose sum is σ = 97619621616. Its totient is φ = 32539873870.

The previous prime is 65079747713. The next prime is 65079747823. The reversal of 65079747742 is 24774797056.

65079747742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16269936934 + ... + 16269936937.

It is an arithmetic number, because the mean of its divisors is an integer number (24404905404).

Almost surely, 2^65079747742 is an apocalyptic number.

65079747742 is a deficient number, since it is larger than the sum of its proper divisors (32539873874).

65079747742 is a wasteful number, since it uses less digits than its factorization.

65079747742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32539873873.

The product of its (nonzero) digits is 20744640, while the sum is 58.

The spelling of 65079747742 in words is "sixty-five billion, seventy-nine million, seven hundred forty-seven thousand, seven hundred forty-two".