1904612013 has 12 divisors (see below), whose sum is σ = 2772108768. Its totient is φ = 1260047880.

The previous prime is 1904611997. The next prime is 1904612053. The reversal of 1904612013 is 3102164091.

1904612013 is a `hidden beast` number, since 190 + 461 + 2 + 0 + 13 = 666.

It is not a de Polignac number, because 1904612013 - 2⁴ = 1904611997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904612053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806545 + ... + 808902.

It is an arithmetic number, because the mean of its divisors is an integer number (231009064).

Almost surely, 2^1904612013 is an apocalyptic number.

It is an amenable number.

1904612013 is a deficient number, since it is larger than the sum of its proper divisors (867496755).

1904612013 is a wasteful number, since it uses less digits than its factorization.

1904612013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615584 (or 1615581 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1904612013 is about 43641.8607875512. The cubic root of 1904612013 is about 1239.5636717093.

The spelling of 1904612013 in words is "one billion, nine hundred four million, six hundred twelve thousand, thirteen".