956561901683 has 4 divisors (see below), whose sum is σ = 957675478680. Its totient is φ = 955448324688.

The previous prime is 956561901661. The next prime is 956561901697. The reversal of 956561901683 is 386109165659.

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

It is a cyclic number.

It is not a de Polignac number, because 956561901683 - 2³⁰ = 955488159859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (956561901643) 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, 556787210 + ... + 556788927.

It is an arithmetic number, because the mean of its divisors is an integer number (239418869670).

Almost surely, 2^956561901683 is an apocalyptic number.

956561901683 is a deficient number, since it is larger than the sum of its proper divisors (1113576997).

956561901683 is a wasteful number, since it uses less digits than its factorization.

956561901683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113576996.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 956561901683 in words is "nine hundred fifty-six billion, five hundred sixty-one million, nine hundred one thousand, six hundred eighty-three".