4007885969 has 2 divisors, whose sum is σ = 4007885970. Its totient is φ = 4007885968.

The previous prime is 4007885951. The next prime is 4007886019. The reversal of 4007885969 is 9695887004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3421665025 + 586220944 = 58495^2 + 24212^2 .

It is a cyclic number.

It is not a de Polignac number, because 4007885969 - 2¹⁶ = 4007820433 is a prime.

It is a super-4 number, since 4×4007885969⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (4007885929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003942984 + 2003942985.

It is an arithmetic number, because the mean of its divisors is an integer number (2003942985).

Almost surely, 2^4007885969 is an apocalyptic number.

It is an amenable number.

4007885969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4007885969 is an equidigital number, since it uses as much as digits as its factorization.

4007885969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 4007885969 is about 63307.8665649065. The cubic root of 4007885969 is about 1588.4435501329.

The spelling of 4007885969 in words is "four billion, seven million, eight hundred eighty-five thousand, nine hundred sixty-nine".