1804635963045 has 12 divisors (see below), whose sum is σ = 3128035669356. Its totient is φ = 962472513600.

The previous prime is 1804635963043. The next prime is 1804635963061. The reversal of 1804635963045 is 5403695364081.

1804635963045 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 6 + 3 + 596 + 3 + 0 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187399812609 + 1617236150436 = 432897^2 + 1271706^2 .

It is not a de Polignac number, because 1804635963045 - 2¹ = 1804635963043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1804635962982 and 1804635963000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804635963041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20051510656 + ... + 20051510745.

It is an arithmetic number, because the mean of its divisors is an integer number (260669639113).

Almost surely, 2^{1804635963045} is an apocalyptic number.

1804635963045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1804635963045 is a deficient number, since it is larger than the sum of its proper divisors (1323399706311).

1804635963045 is a wasteful number, since it uses less digits than its factorization.

1804635963045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103021412 (or 40103021409 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 1804635963045 in words is "one trillion, eight hundred four billion, six hundred thirty-five million, nine hundred sixty-three thousand, forty-five".