9642198762 has 24 divisors (see below), whose sum is σ = 23875921056. Its totient is φ = 2754913896.

The previous prime is 9642198757. The next prime is 9642198763. The reversal of 9642198762 is 2678912469.

It is a junction number, because it is equal to n+sod(n) for n = 9642198699 and 9642198708.

It is not an unprimeable number, because it can be changed into a prime (9642198763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38262568 + ... + 38262819.

It is an arithmetic number, because the mean of its divisors is an integer number (994830044).

Almost surely, 2^9642198762 is an apocalyptic number.

9642198762 is an abundant number, since it is smaller than the sum of its proper divisors (14233722294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9642198762 is a wasteful number, since it uses less digits than its factorization.

9642198762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76525402 (or 76525399 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 9642198762 is about 98194.6982377358. The cubic root of 9642198762 is about 2128.4266752189.

The spelling of 9642198762 in words is "nine billion, six hundred forty-two million, one hundred ninety-eight thousand, seven hundred sixty-two".