65742423746 has 4 divisors (see below), whose sum is σ = 98613635622. Its totient is φ = 32871211872.

The previous prime is 65742423707. The next prime is 65742423763. The reversal of 65742423746 is 64732424756.

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

It can be written as a sum of positive squares in only one way, i.e., 33633726025 + 32108697721 = 183395^2 + 179189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65742423694 and 65742423703.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16435605935 + ... + 16435605938.

Almost surely, 2^65742423746 is an apocalyptic number.

65742423746 is a deficient number, since it is larger than the sum of its proper divisors (32871211876).

65742423746 is a wasteful number, since it uses less digits than its factorization.

65742423746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32871211875.

The product of its digits is 6773760, while the sum is 50.

The spelling of 65742423746 in words is "sixty-five billion, seven hundred forty-two million, four hundred twenty-three thousand, seven hundred forty-six".