1039536749 has 2 divisors, whose sum is σ = 1039536750. Its totient is φ = 1039536748.

The previous prime is 1039536731. The next prime is 1039536811. The reversal of 1039536749 is 9476359301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933302500 + 106234249 = 30550^2 + 10307^2 .

It is an emirp because it is prime and its reverse (9476359301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039536749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039536649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519768374 + 519768375.

It is an arithmetic number, because the mean of its divisors is an integer number (519768375).

Almost surely, 2^1039536749 is an apocalyptic number.

It is an amenable number.

1039536749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039536749 is an equidigital number, since it uses as much as digits as its factorization.

1039536749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 1039536749 is about 32241.8477913410. The cubic root of 1039536749 is about 1013.0089497138.

The spelling of 1039536749 in words is "one billion, thirty-nine million, five hundred thirty-six thousand, seven hundred forty-nine".