919441949 has 4 divisors (see below), whose sum is σ = 919668864. Its totient is φ = 919215036.

The previous prime is 919441909. The next prime is 919441969. The reversal of 919441949 is 949144919.

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 919441949 - 2¹² = 919437853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 919441897 and 919441906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919441909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107267 + ... + 115520.

It is an arithmetic number, because the mean of its divisors is an integer number (229917216).

Almost surely, 2^919441949 is an apocalyptic number.

It is an amenable number.

919441949 is a deficient number, since it is larger than the sum of its proper divisors (226915).

919441949 is a wasteful number, since it uses less digits than its factorization.

919441949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226914.

The product of its digits is 419904, while the sum is 50.

The square root of 919441949 is about 30322.3011824630. The cubic root of 919441949 is about 972.3921363838.

The spelling of 919441949 in words is "nine hundred nineteen million, four hundred forty-one thousand, nine hundred forty-nine".