65739893756 has 12 divisors (see below), whose sum is σ = 115057532520. Its totient is φ = 32866313040.

The previous prime is 65739893753. The next prime is 65739893759.

It is a happy number.

65739893756 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (65739893753) and next prime (65739893759).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65739893753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867551 + ... + 940278.

It is an arithmetic number, because the mean of its divisors is an integer number (9588127710).

Almost surely, 2^65739893756 is an apocalyptic number.

It is an amenable number.

65739893756 is a deficient number, since it is larger than the sum of its proper divisors (49317638764).

65739893756 is a wasteful number, since it uses less digits than its factorization.

65739893756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816924 (or 1816922 counting only the distinct ones).

The product of its digits is 257191200, while the sum is 68.

The spelling of 65739893756 in words is "sixty-five billion, seven hundred thirty-nine million, eight hundred ninety-three thousand, seven hundred fifty-six".