851497031330 has 32 divisors (see below), whose sum is σ = 1687370287680. Its totient is φ = 306794589120.

The previous prime is 851497031327. The next prime is 851497031369. The reversal of 851497031330 is 33130794158.

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 15 ways as a sum of consecutive naturals, for example, 35496644 + ... + 35520623.

It is an arithmetic number, because the mean of its divisors is an integer number (52730321490).

Almost surely, 2^851497031330 is an apocalyptic number.

851497031330 is a deficient number, since it is larger than the sum of its proper divisors (835873256350).

851497031330 is a wasteful number, since it uses less digits than its factorization.

851497031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71017394.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 851497031330 in words is "eight hundred fifty-one billion, four hundred ninety-seven million, thirty-one thousand, three hundred thirty".