920519149 has 4 divisors (see below), whose sum is σ = 1004202720. Its totient is φ = 836835580.

The previous prime is 920519141. The next prime is 920519153. The reversal of 920519149 is 941915029.

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 920519149 - 2³ = 920519141 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 (920519141) 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, 41841769 + ... + 41841790.

It is an arithmetic number, because the mean of its divisors is an integer number (251050680).

Almost surely, 2^920519149 is an apocalyptic number.

It is an amenable number.

920519149 is a deficient number, since it is larger than the sum of its proper divisors (83683571).

920519149 is a wasteful number, since it uses less digits than its factorization.

920519149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83683570.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 920519149 is about 30340.0584870893. The cubic root of 920519149 is about 972.7717333103.

The spelling of 920519149 in words is "nine hundred twenty million, five hundred nineteen thousand, one hundred forty-nine".