2956523881 has 2 divisors, whose sum is σ = 2956523882. Its totient is φ = 2956523880.

The previous prime is 2956523879. The next prime is 2956524041. The reversal of 2956523881 is 1883256592.

It is a happy number.

2956523881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2704000000 + 252523881 = 52000^2 + 15891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2956523881 - 2¹ = 2956523879 is a prime.

It is a super-2 number, since 2×2956523881² = 17482066917846604322, which contains 22 as substring.

Together with 2956523879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2956523821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478261940 + 1478261941.

It is an arithmetic number, because the mean of its divisors is an integer number (1478261941).

Almost surely, 2^2956523881 is an apocalyptic number.

It is an amenable number.

2956523881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956523881 is an equidigital number, since it uses as much as digits as its factorization.

2956523881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 49.

The square root of 2956523881 is about 54373.9264813569. The cubic root of 2956523881 is about 1435.2485951329.

The spelling of 2956523881 in words is "two billion, nine hundred fifty-six million, five hundred twenty-three thousand, eight hundred eighty-one".