2602684260989 has 2 divisors, whose sum is σ = 2602684260990. Its totient is φ = 2602684260988.

The previous prime is 2602684260947. The next prime is 2602684261057. The reversal of 2602684260989 is 9890624862062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2598730995364 + 3953265625 = 1612058^2 + 62875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2602684260989 - 2²⁰ = 2602683212413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2602684260919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301342130494 + 1301342130495.

It is an arithmetic number, because the mean of its divisors is an integer number (1301342130495).

Almost surely, 2^{2602684260989} is an apocalyptic number.

It is an amenable number.

2602684260989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2602684260989 is an equidigital number, since it uses as much as digits as its factorization.

2602684260989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 2602684260989 in words is "two trillion, six hundred two billion, six hundred eighty-four million, two hundred sixty thousand, nine hundred eighty-nine".