4292505641 has 4 divisors (see below), whose sum is σ = 4293294852. Its totient is φ = 4291716432.

The previous prime is 4292505611. The next prime is 4292505667. The reversal of 4292505641 is 1465052924.

It is a happy number.

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 3993734416 + 298771225 = 63196^2 + 17285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4292505641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4292505595 and 4292505604.

It is not an unprimeable number, because it can be changed into a prime (4292505611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386390 + ... + 397343.

It is an arithmetic number, because the mean of its divisors is an integer number (1073323713).

Almost surely, 2^4292505641 is an apocalyptic number.

It is an amenable number.

4292505641 is a deficient number, since it is larger than the sum of its proper divisors (789211).

4292505641 is an equidigital number, since it uses as much as digits as its factorization.

4292505641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789210.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 4292505641 is about 65517.2163709662. The cubic root of 4292505641 is about 1625.1880670382.

The spelling of 4292505641 in words is "four billion, two hundred ninety-two million, five hundred five thousand, six hundred forty-one".