9640596514761 has 81 divisors (see below), whose sum is σ = 15469591411911. Its totient is φ = 5783815787904.

The previous prime is 9640596514753. The next prime is 9640596514771. The reversal of 9640596514761 is 1674156950469.

The square root of 9640596514761 is 3104931.

It is a perfect power (a square), and thus also a powerful number.

9640596514761 is a `hidden beast` number, since 9 + 6 + 4 + 0 + 59 + 6 + 514 + 7 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7505654726025 + 2134941788736 = 2739645^2 + 1461144^2 .

It is not a de Polignac number, because 9640596514761 - 2³ = 9640596514753 is a prime.

It is a super-2 number, since 2×9640596514761² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9640596514771) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3642082740 + ... + 3642085386.

Almost surely, 2^{9640596514761} is an apocalyptic number.

9640596514761 is the 3104931-st square number.

9640596514761 is the 1552466-th centered octagonal number.

It is an amenable number.

9640596514761 is a deficient number, since it is larger than the sum of its proper divisors (5828994897150).

9640596514761 is an equidigital number, since it uses as much as digits as its factorization.

9640596514761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 9640596514761 in words is "nine trillion, six hundred forty billion, five hundred ninety-six million, five hundred fourteen thousand, seven hundred sixty-one".