9698568981542 has 16 divisors (see below), whose sum is σ = 16626243379200. Its totient is φ = 4156498282248.

The previous prime is 9698568981469. The next prime is 9698568981547. The reversal of 9698568981542 is 2451898658969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9698568981547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628292 + ... + 4448807.

It is an arithmetic number, because the mean of its divisors is an integer number (1039140211200).

Almost surely, 2^{9698568981542} is an apocalyptic number.

9698568981542 is a deficient number, since it is larger than the sum of its proper divisors (6927674397658).

9698568981542 is a wasteful number, since it uses less digits than its factorization.

9698568981542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213555.

The product of its digits is 2687385600, while the sum is 80.

The spelling of 9698568981542 in words is "nine trillion, six hundred ninety-eight billion, five hundred sixty-eight million, nine hundred eighty-one thousand, five hundred forty-two".