1903130853 has 32 divisors (see below), whose sum is σ = 2815344000. Its totient is φ = 1135938816.

The previous prime is 1903130849. The next prime is 1903130861. The reversal of 1903130853 is 3580313091.

It is not a de Polignac number, because 1903130853 - 2² = 1903130849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903130893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501718 + ... + 505496.

It is an arithmetic number, because the mean of its divisors is an integer number (87979500).

Almost surely, 2^1903130853 is an apocalyptic number.

1903130853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1903130853 is a deficient number, since it is larger than the sum of its proper divisors (912213147).

1903130853 is a wasteful number, since it uses less digits than its factorization.

1903130853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1903130853 is about 43624.8879998562. The cubic root of 1903130853 is about 1239.2422644702.

The spelling of 1903130853 in words is "one billion, nine hundred three million, one hundred thirty thousand, eight hundred fifty-three".