969736831961 has 4 divisors (see below), whose sum is σ = 969768916452. Its totient is φ = 969704747472.

The previous prime is 969736831949. The next prime is 969736831981. The reversal of 969736831961 is 169138637969.

969736831961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 547829424025 + 421907407936 = 740155^2 + 649544^2 .

It is a cyclic number.

It is not a de Polignac number, because 969736831961 - 2³⁸ = 694858925017 is a prime.

It is a super-2 number, since 2×969736831961² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 969736831891 and 969736831900.

It is not an unprimeable number, because it can be changed into a prime (969736831981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15996866 + ... + 16057371.

It is an arithmetic number, because the mean of its divisors is an integer number (242442229113).

Almost surely, 2^969736831961 is an apocalyptic number.

It is an amenable number.

969736831961 is a deficient number, since it is larger than the sum of its proper divisors (32084491).

969736831961 is a wasteful number, since it uses less digits than its factorization.

969736831961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32084490.

The product of its digits is 79361856, while the sum is 68.

The spelling of 969736831961 in words is "nine hundred sixty-nine billion, seven hundred thirty-six million, eight hundred thirty-one thousand, nine hundred sixty-one".