904505073641 has 8 divisors (see below), whose sum is σ = 980286735624. Its totient is φ = 829609747200.

The previous prime is 904505073631. The next prime is 904505073643. The reversal of 904505073641 is 146370505409.

It can be written as a sum of positive squares in 4 ways, for example, as 53137165225 + 851367908416 = 230515^2 + 922696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 904505073641 - 2¹⁴ = 904505057257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 904505073592 and 904505073601.

It is not an unprimeable number, because it can be changed into a prime (904505073643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221581760 + ... + 221585841.

It is an arithmetic number, because the mean of its divisors is an integer number (122535841953).

Almost surely, 2^904505073641 is an apocalyptic number.

It is an amenable number.

904505073641 is a deficient number, since it is larger than the sum of its proper divisors (75781661983).

904505073641 is a wasteful number, since it uses less digits than its factorization.

904505073641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443167771.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 904505073641 in words is "nine hundred four billion, five hundred five million, seventy-three thousand, six hundred forty-one".