1848644741 has 2 divisors, whose sum is σ = 1848644742. Its totient is φ = 1848644740.

The previous prime is 1848644723. The next prime is 1848644747. The reversal of 1848644741 is 1474468481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078859716 + 769785025 = 32846^2 + 27745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1848644741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1848644747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924322370 + 924322371.

It is an arithmetic number, because the mean of its divisors is an integer number (924322371).

Almost surely, 2^1848644741 is an apocalyptic number.

It is an amenable number.

1848644741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848644741 is an equidigital number, since it uses as much as digits as its factorization.

1848644741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 47.

The square root of 1848644741 is about 42995.8688829520. The cubic root of 1848644741 is about 1227.3011840716.

The spelling of 1848644741 in words is "one billion, eight hundred forty-eight million, six hundred forty-four thousand, seven hundred forty-one".