9004945739 has 2 divisors, whose sum is σ = 9004945740. Its totient is φ = 9004945738.

The previous prime is 9004945711. The next prime is 9004945769. The reversal of 9004945739 is 9375494009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9004945739 - 2²⁸ = 8736510283 is a prime.

It is a super-2 number, since 2×9004945739² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9004945769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4502472869 + 4502472870.

It is an arithmetic number, because the mean of its divisors is an integer number (4502472870).

Almost surely, 2^9004945739 is an apocalyptic number.

9004945739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9004945739 is an equidigital number, since it uses as much as digits as its factorization.

9004945739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 9004945739 is about 94894.3925582539. The cubic root of 9004945739 is about 2080.4647737124.

The spelling of 9004945739 in words is "nine billion, four million, nine hundred forty-five thousand, seven hundred thirty-nine".