1913355853 has 4 divisors (see below), whose sum is σ = 1954065600. Its totient is φ = 1872646108.

The previous prime is 1913355827. The next prime is 1913355859. The reversal of 1913355853 is 3585533191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1913355853 - 2¹³ = 1913347661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913355859) 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 3 ways as a sum of consecutive naturals, for example, 20354803 + ... + 20354896.

It is an arithmetic number, because the mean of its divisors is an integer number (488516400).

Almost surely, 2^1913355853 is an apocalyptic number.

It is an amenable number.

1913355853 is a deficient number, since it is larger than the sum of its proper divisors (40709747).

1913355853 is an equidigital number, since it uses as much as digits as its factorization.

1913355853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40709746.

The product of its digits is 243000, while the sum is 43.

The square root of 1913355853 is about 43741.9232887627. The cubic root of 1913355853 is about 1241.4576711817.

The spelling of 1913355853 in words is "one billion, nine hundred thirteen million, three hundred fifty-five thousand, eight hundred fifty-three".