1039493617 has 2 divisors, whose sum is σ = 1039493618. Its totient is φ = 1039493616.

The previous prime is 1039493599. The next prime is 1039493621. The reversal of 1039493617 is 7163949301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006729441 + 32764176 = 31729^2 + 5724^2 .

It is an emirp because it is prime and its reverse (7163949301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1039493617 - 2¹¹ = 1039491569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1039443617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519746808 + 519746809.

It is an arithmetic number, because the mean of its divisors is an integer number (519746809).

Almost surely, 2^1039493617 is an apocalyptic number.

It is an amenable number.

1039493617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039493617 is an equidigital number, since it uses as much as digits as its factorization.

1039493617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1039493617 is about 32241.1789021431. The cubic root of 1039493617 is about 1012.9949390799.

The spelling of 1039493617 in words is "one billion, thirty-nine million, four hundred ninety-three thousand, six hundred seventeen".