454395240253 has 2 divisors, whose sum is σ = 454395240254. Its totient is φ = 454395240252.

The previous prime is 454395240251. The next prime is 454395240269. The reversal of 454395240253 is 352042593454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366753782404 + 87641457849 = 605602^2 + 296043^2 .

It is a cyclic number.

It is not a de Polignac number, because 454395240253 - 2¹ = 454395240251 is a prime.

Together with 454395240251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454395240251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227197620126 + 227197620127.

It is an arithmetic number, because the mean of its divisors is an integer number (227197620127).

Almost surely, 2^454395240253 is an apocalyptic number.

It is an amenable number.

454395240253 is a deficient number, since it is larger than the sum of its proper divisors (1).

454395240253 is an equidigital number, since it uses as much as digits as its factorization.

454395240253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 454395240253 in words is "four hundred fifty-four billion, three hundred ninety-five million, two hundred forty thousand, two hundred fifty-three".