97943221234142 has 8 divisors (see below), whose sum is σ = 146927772502896. Its totient is φ = 48967297066512.

The previous prime is 97943221234081. The next prime is 97943221234147. The reversal of 97943221234142 is 24143212234979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97943221234147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156746898 + ... + 2156792309.

It is an arithmetic number, because the mean of its divisors is an integer number (18365971562862).

Almost surely, 2^{97943221234142} is an apocalyptic number.

97943221234142 is a deficient number, since it is larger than the sum of its proper divisors (48984551268754).

97943221234142 is a wasteful number, since it uses less digits than its factorization.

97943221234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313550562.

The product of its digits is 5225472, while the sum is 53.

The spelling of 97943221234142 in words is "ninety-seven trillion, nine hundred forty-three billion, two hundred twenty-one million, two hundred thirty-four thousand, one hundred forty-two".