2897381453 has 2 divisors, whose sum is σ = 2897381454. Its totient is φ = 2897381452.

The previous prime is 2897381449. The next prime is 2897381479. The reversal of 2897381453 is 3541837982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1901221609 + 996159844 = 43603^2 + 31562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897381453 - 2² = 2897381449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897381413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448690726 + 1448690727.

It is an arithmetic number, because the mean of its divisors is an integer number (1448690727).

Almost surely, 2^2897381453 is an apocalyptic number.

It is an amenable number.

2897381453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897381453 is an equidigital number, since it uses as much as digits as its factorization.

2897381453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 2897381453 is about 53827.3299820825. The cubic root of 2897381453 is about 1425.6138039831.

The spelling of 2897381453 in words is "two billion, eight hundred ninety-seven million, three hundred eighty-one thousand, four hundred fifty-three".