3905028890013 has 4 divisors (see below), whose sum is σ = 5206705186688. Its totient is φ = 2603352593340.

The previous prime is 3905028890011. The next prime is 3905028890017. The reversal of 3905028890013 is 3100988205093.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3905028890013 - 2¹ = 3905028890011 is a prime.

It is a super-2 number, since 2×3905028890013² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905028890011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650838148333 + ... + 650838148338.

It is an arithmetic number, because the mean of its divisors is an integer number (1301676296672).

Almost surely, 2^{3905028890013} is an apocalyptic number.

It is an amenable number.

3905028890013 is a deficient number, since it is larger than the sum of its proper divisors (1301676296675).

3905028890013 is a wasteful number, since it uses less digits than its factorization.

3905028890013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301676296674.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 3905028890013 in words is "three trillion, nine hundred five billion, twenty-eight million, eight hundred ninety thousand, thirteen".