385180254881453 has 2 divisors, whose sum is σ = 385180254881454. Its totient is φ = 385180254881452.

The previous prime is 385180254881449. The next prime is 385180254881533. The reversal of 385180254881453 is 354188452081583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373283536379209 + 11896718502244 = 19320547^2 + 3449162^2 .

It is a cyclic number.

It is not a de Polignac number, because 385180254881453 - 2² = 385180254881449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385180254881453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385180254881413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192590127440726 + 192590127440727.

It is an arithmetic number, because the mean of its divisors is an integer number (192590127440727).

Almost surely, 2^{385180254881453} is an apocalyptic number.

It is an amenable number.

385180254881453 is a deficient number, since it is larger than the sum of its proper divisors (1).

385180254881453 is an equidigital number, since it uses as much as digits as its factorization.

385180254881453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456000, while the sum is 65.

The spelling of 385180254881453 in words is "three hundred eighty-five trillion, one hundred eighty billion, two hundred fifty-four million, eight hundred eighty-one thousand, four hundred fifty-three".