65742423554 has 8 divisors (see below), whose sum is σ = 98802914508. Its totient is φ = 32808118720.

The previous prime is 65742423533. The next prime is 65742423559. The reversal of 65742423554 is 45532424756.

It can be written as a sum of positive squares in 2 ways, for example, as 59060178529 + 6682245025 = 243023^2 + 81745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 65742423499 and 65742423508.

It is not an unprimeable number, because it can be changed into a prime (65742423559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31545227 + ... + 31547310.

Almost surely, 2^65742423554 is an apocalyptic number.

65742423554 is a deficient number, since it is larger than the sum of its proper divisors (33060490954).

65742423554 is a wasteful number, since it uses less digits than its factorization.

65742423554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63093060.

The product of its digits is 4032000, while the sum is 47.

The spelling of 65742423554 in words is "sixty-five billion, seven hundred forty-two million, four hundred twenty-three thousand, five hundred fifty-four".