1913813053 has 8 divisors (see below), whose sum is σ = 1924855416. Its totient is φ = 1902796800.

The previous prime is 1913813051. The next prime is 1913813071. The reversal of 1913813053 is 3503183191.

It can be written as a sum of positive squares in 4 ways, for example, as 111555844 + 1802257209 = 10562^2 + 42453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1913813053 - 2¹ = 1913813051 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 (1913813051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151293 + ... + 163453.

It is an arithmetic number, because the mean of its divisors is an integer number (240606927).

Almost surely, 2^1913813053 is an apocalyptic number.

It is an amenable number.

1913813053 is a deficient number, since it is larger than the sum of its proper divisors (11042363).

1913813053 is a wasteful number, since it uses less digits than its factorization.

1913813053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13055.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1913813053 is about 43747.1490842546. The cubic root of 1913813053 is about 1241.5565461929.

The spelling of 1913813053 in words is "one billion, nine hundred thirteen million, eight hundred thirteen thousand, fifty-three".