2009464617887 has 2 divisors, whose sum is σ = 2009464617888. Its totient is φ = 2009464617886.

The previous prime is 2009464617859. The next prime is 2009464617893. The reversal of 2009464617887 is 7887164649002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009464617887 - 2²⁶ = 2009397509023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009464617847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004732308943 + 1004732308944.

It is an arithmetic number, because the mean of its divisors is an integer number (1004732308944).

Almost surely, 2^{2009464617887} is an apocalyptic number.

2009464617887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009464617887 is an equidigital number, since it uses as much as digits as its factorization.

2009464617887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 2009464617887 in words is "two trillion, nine billion, four hundred sixty-four million, six hundred seventeen thousand, eight hundred eighty-seven".