9817237297642 has 16 divisors (see below), whose sum is σ = 14733863338752. Its totient is φ = 4905950213920.

The previous prime is 9817237297597. The next prime is 9817237297643. The reversal of 9817237297642 is 2467927327189.

9817237297642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9817237297643) 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, 28693383 + ... + 29033509.

It is an arithmetic number, because the mean of its divisors is an integer number (920866458672).

Almost surely, 2^{9817237297642} is an apocalyptic number.

9817237297642 is a deficient number, since it is larger than the sum of its proper divisors (4916626041110).

9817237297642 is a wasteful number, since it uses less digits than its factorization.

9817237297642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347933.

The product of its digits is 128024064, while the sum is 67.

The spelling of 9817237297642 in words is "nine trillion, eight hundred seventeen billion, two hundred thirty-seven million, two hundred ninety-seven thousand, six hundred forty-two".