9772642425641 has 16 divisors (see below), whose sum is σ = 10383717528576. Its totient is φ = 9178464016656.

The previous prime is 9772642425617. The next prime is 9772642425647. The reversal of 9772642425641 is 1465242462779.

It is a cyclic number.

It is not a de Polignac number, because 9772642425641 - 2³⁴ = 9755462556457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9772642425647) 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 15 ways as a sum of consecutive naturals, for example, 15392045 + ... + 16014378.

It is an arithmetic number, because the mean of its divisors is an integer number (648982345536).

Almost surely, 2^{9772642425641} is an apocalyptic number.

It is an amenable number.

9772642425641 is a deficient number, since it is larger than the sum of its proper divisors (611075102935).

9772642425641 is a wasteful number, since it uses less digits than its factorization.

9772642425641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31406692.

The product of its digits is 40642560, while the sum is 59.

The spelling of 9772642425641 in words is "nine trillion, seven hundred seventy-two billion, six hundred forty-two million, four hundred twenty-five thousand, six hundred forty-one".