1913448959 has 16 divisors (see below), whose sum is σ = 2049974784. Its totient is φ = 1781656800.

The previous prime is 1913448949. The next prime is 1913448973. The reversal of 1913448959 is 9598443191.

It is not a de Polignac number, because 1913448959 - 2⁸ = 1913448703 is a prime.

It is a super-2 number, since 2×1913448959² = 7322573837396367362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1913448959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913448949) 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 15 ways as a sum of consecutive naturals, for example, 304469 + ... + 310689.

It is an arithmetic number, because the mean of its divisors is an integer number (128123424).

Almost surely, 2^1913448959 is an apocalyptic number.

1913448959 is a deficient number, since it is larger than the sum of its proper divisors (136525825).

1913448959 is a wasteful number, since it uses less digits than its factorization.

1913448959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598.

The product of its digits is 1399680, while the sum is 53.

The square root of 1913448959 is about 43742.9875408619. The cubic root of 1913448959 is about 1241.4778077536.

The spelling of 1913448959 in words is "one billion, nine hundred thirteen million, four hundred forty-eight thousand, nine hundred fifty-nine".