1048740643 has 2 divisors, whose sum is σ = 1048740644. Its totient is φ = 1048740642.

The previous prime is 1048740619. The next prime is 1048740647. The reversal of 1048740643 is 3460478401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048740643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048740647) 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 as a sum of consecutive naturals, namely, 524370321 + 524370322.

It is an arithmetic number, because the mean of its divisors is an integer number (524370322).

Almost surely, 2^1048740643 is an apocalyptic number.

1048740643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048740643 is an equidigital number, since it uses as much as digits as its factorization.

1048740643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1048740643 is about 32384.2653614375. The cubic root of 1048740643 is about 1015.9898431802.

The spelling of 1048740643 in words is "one billion, forty-eight million, seven hundred forty thousand, six hundred forty-three".