4011623617 has 2 divisors, whose sum is σ = 4011623618. Its totient is φ = 4011623616.

The previous prime is 4011623599. The next prime is 4011623659. The reversal of 4011623617 is 7163261104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3735532161 + 276091456 = 61119^2 + 16616^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011623617 - 2²³ = 4003235009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4011623117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005811808 + 2005811809.

It is an arithmetic number, because the mean of its divisors is an integer number (2005811809).

Almost surely, 2^4011623617 is an apocalyptic number.

It is an amenable number.

4011623617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011623617 is an equidigital number, since it uses as much as digits as its factorization.

4011623617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4011623617 is about 63337.3793032203. The cubic root of 4011623617 is about 1588.9371768049.

The spelling of 4011623617 in words is "four billion, eleven million, six hundred twenty-three thousand, six hundred seventeen".