961430005689 has 8 divisors (see below), whose sum is σ = 1357312949280. Its totient is φ = 603250199616.

The previous prime is 961430005651. The next prime is 961430005729. The reversal of 961430005689 is 986500034169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 961430005689 - 2²⁷ = 961295787961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 18851568739 = 961430005689 / (9 + 6 + 1 + 4 + 3 + 0 + 0 + 0 + 5 + 6 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (961430005589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9425784319 + ... + 9425784420.

It is an arithmetic number, because the mean of its divisors is an integer number (169664118660).

Almost surely, 2^961430005689 is an apocalyptic number.

It is an amenable number.

961430005689 is a deficient number, since it is larger than the sum of its proper divisors (395882943591).

961430005689 is a wasteful number, since it uses less digits than its factorization.

961430005689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851568759.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 961430005689 in words is "nine hundred sixty-one billion, four hundred thirty million, five thousand, six hundred eighty-nine".