9619802221142 has 12 divisors (see below), whose sum is σ = 14910192935748. Its totient is φ = 4654743009300.

The previous prime is 9619802221129. The next prime is 9619802221153. The reversal of 9619802221142 is 2411222089169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2502548084 + ... + 2502551927.

It is an arithmetic number, because the mean of its divisors is an integer number (1242516077979).

Almost surely, 2^{9619802221142} is an apocalyptic number.

9619802221142 is a deficient number, since it is larger than the sum of its proper divisors (5290390714606).

9619802221142 is a wasteful number, since it uses less digits than its factorization.

9619802221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005100075 (or 5005100044 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 9619802221142 in words is "nine trillion, six hundred nineteen billion, eight hundred two million, two hundred twenty-one thousand, one hundred forty-two".