904328779643 has 2 divisors, whose sum is σ = 904328779644. Its totient is φ = 904328779642.

The previous prime is 904328779603. The next prime is 904328779687. The reversal of 904328779643 is 346977823409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 904328779643 - 2³⁶ = 835609302907 is a prime.

It is not a weakly prime, because it can be changed into another prime (904328779603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452164389821 + 452164389822.

It is an arithmetic number, because the mean of its divisors is an integer number (452164389822).

Almost surely, 2^904328779643 is an apocalyptic number.

904328779643 is a deficient number, since it is larger than the sum of its proper divisors (1).

904328779643 is an equidigital number, since it uses as much as digits as its factorization.

904328779643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 904328779643 in words is "nine hundred four billion, three hundred twenty-eight million, seven hundred seventy-nine thousand, six hundred forty-three".