1004813955 has 48 divisors (see below), whose sum is σ = 1864512000. Its totient is φ = 499065408.

The previous prime is 1004813933. The next prime is 1004813959. The reversal of 1004813955 is 5593184001.

It is not a de Polignac number, because 1004813955 - 2⁵ = 1004813923 is a prime.

It is a super-3 number, since 3×1004813955³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004813959) 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 47 ways as a sum of consecutive naturals, for example, 40486 + ... + 60404.

It is an arithmetic number, because the mean of its divisors is an integer number (38844000).

Almost surely, 2^1004813955 is an apocalyptic number.

1004813955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004813955 is a deficient number, since it is larger than the sum of its proper divisors (859698045).

1004813955 is a wasteful number, since it uses less digits than its factorization.

1004813955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008 (or 20005 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1004813955 is about 31698.8005293576. The cubic root of 1004813955 is about 1001.6020836241.

Adding to 1004813955 its reverse (5593184001), we get a palindrome (6597997956).

The spelling of 1004813955 in words is "one billion, four million, eight hundred thirteen thousand, nine hundred fifty-five".