65743636452050 has 18 divisors (see below), whose sum is σ = 122283270442053. Its totient is φ = 26297431647240.

The previous prime is 65743636452049. The next prime is 65743636452073. The reversal of 65743636452050 is 5025463634756.

It can be written as a sum of positive squares in 2 ways, for example, as 64428763723009 + 1314872729041 = 8026753^2 + 1146679^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5733395.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56760611 + ... + 57907289.

Almost surely, 2^{65743636452050} is an apocalyptic number.

65743636452050 is a deficient number, since it is larger than the sum of its proper divisors (56539633990003).

65743636452050 is an frugal number, since it uses more digits than its factorization.

65743636452050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293370 (or 1146686 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 56.

The spelling of 65743636452050 in words is "sixty-five trillion, seven hundred forty-three billion, six hundred thirty-six million, four hundred fifty-two thousand, fifty".