3001645949 has 2 divisors, whose sum is σ = 3001645950. Its totient is φ = 3001645948.

The previous prime is 3001645931. The next prime is 3001646051. The reversal of 3001645949 is 9495461003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2984983225 + 16662724 = 54635^2 + 4082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3001645949 is a prime.

It is a super-3 number, since 3×3001645949³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3001645249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500822974 + 1500822975.

It is an arithmetic number, because the mean of its divisors is an integer number (1500822975).

Almost surely, 2^3001645949 is an apocalyptic number.

It is an amenable number.

3001645949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001645949 is an equidigital number, since it uses as much as digits as its factorization.

3001645949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 3001645949 is about 54787.2790800930. The cubic root of 3001645949 is about 1442.5132853329.

The spelling of 3001645949 in words is "three billion, one million, six hundred forty-five thousand, nine hundred forty-nine".