1004999935491 has 10 divisors (see below), whose sum is σ = 1501296200052. Its totient is φ = 669999956940.

The previous prime is 1004999935477. The next prime is 1004999935501. The reversal of 1004999935491 is 1945399994001.

1004999935491 is a `hidden beast` number, since 1 + 0 + 0 + 499 + 9 + 9 + 3 + 54 + 91 = 666.

1004999935491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1004999935491 - 2⁷ = 1004999935363 is a prime.

It is a super-2 number, since 2×1004999935491² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004999935421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6203703225 + ... + 6203703386.

Almost surely, 2^{1004999935491} is an apocalyptic number.

1004999935491 is a deficient number, since it is larger than the sum of its proper divisors (496296264561).

1004999935491 is an equidigital number, since it uses as much as digits as its factorization.

1004999935491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407406623 (or 12407406614 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 63.

The spelling of 1004999935491 in words is "one trillion, four billion, nine hundred ninety-nine million, nine hundred thirty-five thousand, four hundred ninety-one".