4001615642659 has 2 divisors, whose sum is σ = 4001615642660. Its totient is φ = 4001615642658.

The previous prime is 4001615642603. The next prime is 4001615642663. The reversal of 4001615642659 is 9562465161004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001615642659 - 2¹¹ = 4001615640611 is a prime.

It is not a weakly prime, because it can be changed into another prime (4001615642159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000807821329 + 2000807821330.

It is an arithmetic number, because the mean of its divisors is an integer number (2000807821330).

Almost surely, 2^{4001615642659} is an apocalyptic number.

4001615642659 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001615642659 is an equidigital number, since it uses as much as digits as its factorization.

4001615642659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 4001615642659 in words is "four trillion, one billion, six hundred fifteen million, six hundred forty-two thousand, six hundred fifty-nine".