2602010861 has 16 divisors (see below), whose sum is σ = 2802470400. Its totient is φ = 2410093488.

The previous prime is 2602010833. The next prime is 2602010893. The reversal of 2602010861 is 1680102062.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2602010861 is a prime.

It is a super-2 number, since 2×2602010861² = 13540921041523922642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2602010861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602010261) 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 in 15 ways as a sum of consecutive naturals, for example, 76610 + ... + 105228.

It is an arithmetic number, because the mean of its divisors is an integer number (175154400).

Almost surely, 2^2602010861 is an apocalyptic number.

It is an amenable number.

2602010861 is a deficient number, since it is larger than the sum of its proper divisors (200459539).

2602010861 is a wasteful number, since it uses less digits than its factorization.

2602010861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28768.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2602010861 is about 51009.9094392452. The cubic root of 2602010861 is about 1375.4232721793.

The spelling of 2602010861 in words is "two billion, six hundred two million, ten thousand, eight hundred sixty-one".