999287469532 has 24 divisors (see below), whose sum is σ = 1990675435392. Its totient is φ = 434472812400.

The previous prime is 999287469443. The next prime is 999287469589. The reversal of 999287469532 is 235964782999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493718094 + ... + 493720117.

It is an arithmetic number, because the mean of its divisors is an integer number (82944809808).

Almost surely, 2^999287469532 is an apocalyptic number.

999287469532 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

999287469532 is a deficient number, since it is larger than the sum of its proper divisors (991387965860).

999287469532 is a wasteful number, since it uses less digits than its factorization.

999287469532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987438249 (or 987438247 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 73.

The spelling of 999287469532 in words is "nine hundred ninety-nine billion, two hundred eighty-seven million, four hundred sixty-nine thousand, five hundred thirty-two".