9830941642 has 4 divisors (see below), whose sum is σ = 14746412466. Its totient is φ = 4915470820.

The previous prime is 9830941559. The next prime is 9830941643. The reversal of 9830941642 is 2461490389.

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

It can be written as a sum of positive squares in only one way, i.e., 5499853921 + 4331087721 = 74161^2 + 65811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9830941592 and 9830941601.

It is not an unprimeable number, because it can be changed into a prime (9830941643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2457735409 + ... + 2457735412.

Almost surely, 2^9830941642 is an apocalyptic number.

9830941642 is a deficient number, since it is larger than the sum of its proper divisors (4915470824).

9830941642 is a wasteful number, since it uses less digits than its factorization.

9830941642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915470823.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 9830941642 is about 99151.1050972202. The cubic root of 9830941642 is about 2142.2247833991.

The spelling of 9830941642 in words is "nine billion, eight hundred thirty million, nine hundred forty-one thousand, six hundred forty-two".