897134042290 has 16 divisors (see below), whose sum is σ = 1624748280768. Its totient is φ = 356652060336.

The previous prime is 897134042281. The next prime is 897134042293. The reversal of 897134042290 is 92240431798.

It is not an unprimeable number, because it can be changed into a prime (897134042293) 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, 275192862 + ... + 275196121.

It is an arithmetic number, because the mean of its divisors is an integer number (101546767548).

Almost surely, 2^897134042290 is an apocalyptic number.

897134042290 is a deficient number, since it is larger than the sum of its proper divisors (727614238478).

897134042290 is a wasteful number, since it uses less digits than its factorization.

897134042290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550389153.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 897134042290 in words is "eight hundred ninety-seven billion, one hundred thirty-four million, forty-two thousand, two hundred ninety".