904491254404343 has 2 divisors, whose sum is σ = 904491254404344. Its totient is φ = 904491254404342.

The previous prime is 904491254404151. The next prime is 904491254404373. The reversal of 904491254404343 is 343404452194409.

It is a strong prime.

It is an emirp because it is prime and its reverse (343404452194409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 904491254404343 - 2²² = 904491250210039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904491254404373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452245627202171 + 452245627202172.

It is an arithmetic number, because the mean of its divisors is an integer number (452245627202172).

Almost surely, 2^{904491254404343} is an apocalyptic number.

904491254404343 is a deficient number, since it is larger than the sum of its proper divisors (1).

904491254404343 is an equidigital number, since it uses as much as digits as its factorization.

904491254404343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 56.

The spelling of 904491254404343 in words is "nine hundred four trillion, four hundred ninety-one billion, two hundred fifty-four million, four hundred four thousand, three hundred forty-three".