999130461450 has 192 divisors, whose sum is σ = 2746602456192. Its totient is φ = 238331289600.

The previous prime is 999130461437. The next prime is 999130461451. The reversal of 999130461450 is 54164031999.

It is a super-2 number, since 2×999130461450² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 999130461393 and 999130461402.

It is not an unprimeable number, because it can be changed into a prime (999130461451) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 52145272 + ... + 52164428.

It is an arithmetic number, because the mean of its divisors is an integer number (14305221126).

Almost surely, 2^999130461450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999130461450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373301228096).

999130461450 is an abundant number, since it is smaller than the sum of its proper divisors (1747471994742).

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

999130461450 is a wasteful number, since it uses less digits than its factorization.

999130461450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 999130461450 in words is "nine hundred ninety-nine billion, one hundred thirty million, four hundred sixty-one thousand, four hundred fifty".