919925441 has 8 divisors (see below), whose sum is σ = 927983784. Its totient is φ = 911900160.

The previous prime is 919925431. The next prime is 919925453. The reversal of 919925441 is 144529919.

It can be written as a sum of positive squares in 4 ways, for example, as 280897600 + 639027841 = 16760^2 + 25279^2 .

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 919925441 - 2¹⁴ = 919909057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 919925392 and 919925401.

It is not an unprimeable number, because it can be changed into a prime (919925431) 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, 49361 + ... + 65393.

It is an arithmetic number, because the mean of its divisors is an integer number (115997973).

Almost surely, 2^919925441 is an apocalyptic number.

It is an amenable number.

919925441 is a deficient number, since it is larger than the sum of its proper divisors (8058343).

919925441 is a wasteful number, since it uses less digits than its factorization.

919925441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16531.

The product of its digits is 116640, while the sum is 44.

The square root of 919925441 is about 30330.2726825856. The cubic root of 919925441 is about 972.5625518677.

The spelling of 919925441 in words is "nine hundred nineteen million, nine hundred twenty-five thousand, four hundred forty-one".