65742423542 has 8 divisors (see below), whose sum is σ = 99114212736. Its totient is φ = 32704352632.

The previous prime is 65742423533. The next prime is 65742423559. The reversal of 65742423542 is 24532424756.

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 = 65742423493 and 65742423502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83429078 + ... + 83429865.

It is an arithmetic number, because the mean of its divisors is an integer number (12389276592).

Almost surely, 2^65742423542 is an apocalyptic number.

65742423542 is a deficient number, since it is larger than the sum of its proper divisors (33371789194).

65742423542 is a wasteful number, since it uses less digits than its factorization.

65742423542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166859142.

The product of its digits is 1612800, while the sum is 44.

The spelling of 65742423542 in words is "sixty-five billion, seven hundred forty-two million, four hundred twenty-three thousand, five hundred forty-two".