522989156494 has 16 divisors (see below), whose sum is σ = 935533398528. Its totient is φ = 214393070232.

The previous prime is 522989156477. The next prime is 522989156497. The reversal of 522989156494 is 494651989225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522989156497) 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, 812094642 + ... + 812095285.

It is an arithmetic number, because the mean of its divisors is an integer number (58470837408).

Almost surely, 2^522989156494 is an apocalyptic number.

522989156494 is a deficient number, since it is larger than the sum of its proper divisors (412544242034).

522989156494 is a wasteful number, since it uses less digits than its factorization.

522989156494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624189959.

The product of its digits is 55987200, while the sum is 64.

The spelling of 522989156494 in words is "five hundred twenty-two billion, nine hundred eighty-nine million, one hundred fifty-six thousand, four hundred ninety-four".