1904052867906 has 32 divisors (see below), whose sum is σ = 4440939638400. Its totient is φ = 544015104528.

The previous prime is 1904052867887. The next prime is 1904052867919. The reversal of 1904052867906 is 6097682504091.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462595821 + ... + 462599936.

It is an arithmetic number, because the mean of its divisors is an integer number (138779363700).

Almost surely, 2^{1904052867906} is an apocalyptic number.

1904052867906 is an abundant number, since it is smaller than the sum of its proper divisors (2536886770494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1904052867906 is an equidigital number, since it uses as much as digits as its factorization.

1904052867906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925195783 (or 925195769 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1904052867906 in words is "one trillion, nine hundred four billion, fifty-two million, eight hundred sixty-seven thousand, nine hundred six".