65633453742 has 16 divisors (see below), whose sum is σ = 131316232320. Its totient is φ = 21869597112.

The previous prime is 65633453723. The next prime is 65633453759. The reversal of 65633453742 is 24735433656.

It is a junction number, because it is equal to n+sod(n) for n = 65633453691 and 65633453700.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2037892 + ... + 2069847.

It is an arithmetic number, because the mean of its divisors is an integer number (8207264520).

Almost surely, 2^65633453742 is an apocalyptic number.

65633453742 is an abundant number, since it is smaller than the sum of its proper divisors (65682778578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65633453742 is a wasteful number, since it uses less digits than its factorization.

65633453742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110407.

The product of its digits is 5443200, while the sum is 48.

The spelling of 65633453742 in words is "sixty-five billion, six hundred thirty-three million, four hundred fifty-three thousand, seven hundred forty-two".