919013652 has 18 divisors (see below), whose sum is σ = 2323062378. Its totient is φ = 306337872.

The previous prime is 919013611. The next prime is 919013671. The reversal of 919013652 is 256310919.

It can be written as a sum of positive squares in only one way, i.e., 703628676 + 215384976 = 26526^2 + 14676^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 25528157 = 919013652 / (9 + 1 + 9 + 0 + 1 + 3 + 6 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12764043 + ... + 12764114.

It is an arithmetic number, because the mean of its divisors is an integer number (129059021).

Almost surely, 2^919013652 is an apocalyptic number.

It is an amenable number.

919013652 is an abundant number, since it is smaller than the sum of its proper divisors (1404048726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

919013652 is a wasteful number, since it uses less digits than its factorization.

919013652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528167 (or 25528162 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 919013652 is about 30315.2379505753. The cubic root of 919013652 is about 972.2411254655.

The spelling of 919013652 in words is "nine hundred nineteen million, thirteen thousand, six hundred fifty-two".