65441782453 has 2 divisors, whose sum is σ = 65441782454. Its totient is φ = 65441782452.

The previous prime is 65441782411. The next prime is 65441782457. The reversal of 65441782453 is 35428714456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59507699364 + 5934083089 = 243942^2 + 77033^2 .

It is a cyclic number.

It is not a de Polignac number, because 65441782453 - 2¹⁷ = 65441651381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65441782397 and 65441782406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65441782457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32720891226 + 32720891227.

It is an arithmetic number, because the mean of its divisors is an integer number (32720891227).

Almost surely, 2^65441782453 is an apocalyptic number.

It is an amenable number.

65441782453 is a deficient number, since it is larger than the sum of its proper divisors (1).

65441782453 is an equidigital number, since it uses as much as digits as its factorization.

65441782453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 49.

The spelling of 65441782453 in words is "sixty-five billion, four hundred forty-one million, seven hundred eighty-two thousand, four hundred fifty-three".