941249641 has 4 divisors (see below), whose sum is σ = 941527252. Its totient is φ = 940972032.

The previous prime is 941249633. The next prime is 941249651. The reversal of 941249641 is 146942149.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 596776041 + 344473600 = 24429^2 + 18560^2 .

It is a cyclic number.

It is not a de Polignac number, because 941249641 - 2³ = 941249633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 941249594 and 941249603.

It is not an unprimeable number, because it can be changed into a prime (941249611) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 133656 + ... + 140521.

It is an arithmetic number, because the mean of its divisors is an integer number (235381813).

Almost surely, 2^941249641 is an apocalyptic number.

It is an amenable number.

941249641 is a deficient number, since it is larger than the sum of its proper divisors (277611).

941249641 is a wasteful number, since it uses less digits than its factorization.

941249641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277610.

The product of its digits is 62208, while the sum is 40.

The square root of 941249641 is about 30679.7920625287. The cubic root of 941249641 is about 980.0200054919.

The spelling of 941249641 in words is "nine hundred forty-one million, two hundred forty-nine thousand, six hundred forty-one".