2895718421 has 2 divisors, whose sum is σ = 2895718422. Its totient is φ = 2895718420.

The previous prime is 2895718417. The next prime is 2895718471. The reversal of 2895718421 is 1248175982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2877142321 + 18576100 = 53639^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2895718421 - 2² = 2895718417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2895718471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447859210 + 1447859211.

It is an arithmetic number, because the mean of its divisors is an integer number (1447859211).

Almost surely, 2^2895718421 is an apocalyptic number.

It is an amenable number.

2895718421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2895718421 is an equidigital number, since it uses as much as digits as its factorization.

2895718421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 47.

The square root of 2895718421 is about 53811.8799244182. The cubic root of 2895718421 is about 1425.3409949931.

The spelling of 2895718421 in words is "two billion, eight hundred ninety-five million, seven hundred eighteen thousand, four hundred twenty-one".