997393043002 has 8 divisors (see below), whose sum is σ = 1506852799200. Its totient is φ = 495108776604.

The previous prime is 997393042991. The next prime is 997393043071. The reversal of 997393043002 is 200340393799.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793872102 + ... + 1793872657.

It is an arithmetic number, because the mean of its divisors is an integer number (188356599900).

Almost surely, 2^997393043002 is an apocalyptic number.

997393043002 is a deficient number, since it is larger than the sum of its proper divisors (509459756198).

997393043002 is a wasteful number, since it uses less digits than its factorization.

997393043002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587744900.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 997393043002 in words is "nine hundred ninety-seven billion, three hundred ninety-three million, forty-three thousand, two".