1039493641 has 2 divisors, whose sum is σ = 1039493642. Its totient is φ = 1039493640.

The previous prime is 1039493639. The next prime is 1039493669. The reversal of 1039493641 is 1463949301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036840000 + 2653641 = 32200^2 + 1629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039493641 - 2¹ = 1039493639 is a prime.

Together with 1039493639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1039493594 and 1039493603.

It is not a weakly prime, because it can be changed into another prime (1039493621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519746820 + 519746821.

It is an arithmetic number, because the mean of its divisors is an integer number (519746821).

Almost surely, 2^1039493641 is an apocalyptic number.

It is an amenable number.

1039493641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039493641 is an equidigital number, since it uses as much as digits as its factorization.

1039493641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1039493641 is about 32241.1792743380. The cubic root of 1039493641 is about 1012.9949468760.

The spelling of 1039493641 in words is "one billion, thirty-nine million, four hundred ninety-three thousand, six hundred forty-one".