2859892261 has 2 divisors, whose sum is σ = 2859892262. Its totient is φ = 2859892260.

The previous prime is 2859892249. The next prime is 2859892297. The reversal of 2859892261 is 1622989582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1800389761 + 1059502500 = 42431^2 + 32550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2859892261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2859892199 and 2859892208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2859892241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429946130 + 1429946131.

It is an arithmetic number, because the mean of its divisors is an integer number (1429946131).

Almost surely, 2^2859892261 is an apocalyptic number.

It is an amenable number.

2859892261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859892261 is an equidigital number, since it uses as much as digits as its factorization.

2859892261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 52.

The square root of 2859892261 is about 53477.9605164595. The cubic root of 2859892261 is about 1419.4384245377.

The spelling of 2859892261 in words is "two billion, eight hundred fifty-nine million, eight hundred ninety-two thousand, two hundred sixty-one".