999932958468 has 18 divisors (see below), whose sum is σ = 2527608311774. Its totient is φ = 333310986144.

The previous prime is 999932958461. The next prime is 999932958469. The reversal of 999932958468 is 864859239999.

It is a happy number.

999932958468 is a `hidden beast` number, since 9 + 9 + 9 + 9 + 3 + 29 + 584 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 919907337924 + 80025620544 = 959118^2 + 282888^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (999932958461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13887957721 + ... + 13887957792.

Almost surely, 2^999932958468 is an apocalyptic number.

It is an amenable number.

999932958468 is an abundant number, since it is smaller than the sum of its proper divisors (1527675353306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999932958468 is a wasteful number, since it uses less digits than its factorization.

999932958468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775915523 (or 27775915518 counting only the distinct ones).

The product of its digits is 2720977920, while the sum is 81.

The spelling of 999932958468 in words is "nine hundred ninety-nine billion, nine hundred thirty-two million, nine hundred fifty-eight thousand, four hundred sixty-eight".