2455474421 has 2 divisors, whose sum is σ = 2455474422. Its totient is φ = 2455474420.

The previous prime is 2455474403. The next prime is 2455474423. The reversal of 2455474421 is 1244745542.

2455474421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2192580625 + 262893796 = 46825^2 + 16214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455474421 is a prime.

Together with 2455474423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2455474423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227737210 + 1227737211.

It is an arithmetic number, because the mean of its divisors is an integer number (1227737211).

Almost surely, 2^2455474421 is an apocalyptic number.

It is an amenable number.

2455474421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455474421 is an equidigital number, since it uses as much as digits as its factorization.

2455474421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 38.

The square root of 2455474421 is about 49552.7438291766. The cubic root of 2455474421 is about 1349.1030935042.

The spelling of 2455474421 in words is "two billion, four hundred fifty-five million, four hundred seventy-four thousand, four hundred twenty-one".