2455971841 has 2 divisors, whose sum is σ = 2455971842. Its totient is φ = 2455971840.

The previous prime is 2455971839. The next prime is 2455971871. The reversal of 2455971841 is 1481795542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2123274241 + 332697600 = 46079^2 + 18240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455971841 - 2¹ = 2455971839 is a prime.

Together with 2455971839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2455971791 and 2455971800.

It is not a weakly prime, because it can be changed into another prime (2455971811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227985920 + 1227985921.

It is an arithmetic number, because the mean of its divisors is an integer number (1227985921).

Almost surely, 2^2455971841 is an apocalyptic number.

It is an amenable number.

2455971841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455971841 is an equidigital number, since it uses as much as digits as its factorization.

2455971841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 46.

The square root of 2455971841 is about 49557.7626714524. The cubic root of 2455971841 is about 1349.1941859554.

The spelling of 2455971841 in words is "two billion, four hundred fifty-five million, nine hundred seventy-one thousand, eight hundred forty-one".