2956838281 has 2 divisors, whose sum is σ = 2956838282. Its totient is φ = 2956838280.

The previous prime is 2956838267. The next prime is 2956838333. The reversal of 2956838281 is 1828386592.

It is an a-pointer prime, because the next prime (2956838333) can be obtained adding 2956838281 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2609575056 + 347263225 = 51084^2 + 18635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2956838281 - 2²⁹ = 2419967369 is a prime.

It is a super-2 number, since 2×2956838281² = 17485785239974069922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2956838221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478419140 + 1478419141.

It is an arithmetic number, because the mean of its divisors is an integer number (1478419141).

Almost surely, 2^2956838281 is an apocalyptic number.

It is an amenable number.

2956838281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956838281 is an equidigital number, since it uses as much as digits as its factorization.

2956838281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The square root of 2956838281 is about 54376.8174960617. The cubic root of 2956838281 is about 1435.2994686341.

The spelling of 2956838281 in words is "two billion, nine hundred fifty-six million, eight hundred thirty-eight thousand, two hundred eighty-one".