1048863839 has 2 divisors, whose sum is σ = 1048863840. Its totient is φ = 1048863838.

The previous prime is 1048863817. The next prime is 1048863847. The reversal of 1048863839 is 9383688401.

It is a strong prime.

It is an emirp because it is prime and its reverse (9383688401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048863839 is a prime.

It is a super-2 number, since 2×1048863839² = 2200230705523635842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048869839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524431919 + 524431920.

It is an arithmetic number, because the mean of its divisors is an integer number (524431920).

Almost surely, 2^1048863839 is an apocalyptic number.

1048863839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048863839 is an equidigital number, since it uses as much as digits as its factorization.

1048863839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 1048863839 is about 32386.1674021487. The cubic root of 1048863839 is about 1016.0296245392.

The spelling of 1048863839 in words is "one billion, forty-eight million, eight hundred sixty-three thousand, eight hundred thirty-nine".