1905005013 has 8 divisors (see below), whose sum is σ = 2559396576. Its totient is φ = 1260308400.

The previous prime is 1905004993. The next prime is 1905005027. The reversal of 1905005013 is 3105005091.

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

It is not a de Polignac number, because 1905005013 - 2⁸ = 1905004757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1905005033) 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, 2423278 + ... + 2424063.

It is an arithmetic number, because the mean of its divisors is an integer number (319924572).

Almost surely, 2^1905005013 is an apocalyptic number.

It is an amenable number.

1905005013 is a deficient number, since it is larger than the sum of its proper divisors (654391563).

1905005013 is a wasteful number, since it uses less digits than its factorization.

1905005013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847475.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 1905005013 is about 43646.3631130934. The cubic root of 1905005013 is about 1239.6489235466.

The spelling of 1905005013 in words is "one billion, nine hundred five million, five thousand, thirteen".