990419147522 has 16 divisors (see below), whose sum is σ = 1698366942720. Its totient is φ = 424338962208.

The previous prime is 990419147519. The next prime is 990419147563. The reversal of 990419147522 is 225741914099.

It is an unprimeable number.

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, 10483523 + ... + 10577574.

It is an arithmetic number, because the mean of its divisors is an integer number (106147933920).

Almost surely, 2^990419147522 is an apocalyptic number.

990419147522 is a deficient number, since it is larger than the sum of its proper divisors (707947795198).

990419147522 is a wasteful number, since it uses less digits than its factorization.

990419147522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064465.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 990419147522 in words is "nine hundred ninety billion, four hundred nineteen million, one hundred forty-seven thousand, five hundred twenty-two".