329293861442972 has 24 divisors (see below), whose sum is σ = 601333983686016. Its totient is φ = 157484503209968.

The previous prime is 329293861442971. The next prime is 329293861443007. The reversal of 329293861442972 is 279244168392923.

It is a junction number, because it is equal to n+sod(n) for n = 329293861442896 and 329293861442905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329293861442971) 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, 40153358 + ... + 47653749.

It is an arithmetic number, because the mean of its divisors is an integer number (25055582653584).

Almost surely, 2^{329293861442972} is an apocalyptic number.

It is an amenable number.

329293861442972 is a deficient number, since it is larger than the sum of its proper divisors (272040122243044).

329293861442972 is a wasteful number, since it uses less digits than its factorization.

329293861442972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87847897 (or 87847895 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 71.

The spelling of 329293861442972 in words is "three hundred twenty-nine trillion, two hundred ninety-three billion, eight hundred sixty-one million, four hundred forty-two thousand, nine hundred seventy-two".