3899743513 has 4 divisors (see below), whose sum is σ = 3901059088. Its totient is φ = 3898427940.

The previous prime is 3899743459. The next prime is 3899743517. The reversal of 3899743513 is 3153479983.

3899743513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3153479983 = 683 ⋅4617101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3899743513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3899743517) 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, 653331 + ... + 659272.

It is an arithmetic number, because the mean of its divisors is an integer number (975264772).

Almost surely, 2^3899743513 is an apocalyptic number.

It is an amenable number.

3899743513 is a deficient number, since it is larger than the sum of its proper divisors (1315575).

3899743513 is a wasteful number, since it uses less digits than its factorization.

3899743513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315574.

The product of its digits is 2449440, while the sum is 52.

The square root of 3899743513 is about 62447.9264107304. The cubic root of 3899743513 is about 1574.0264093654.

The spelling of 3899743513 in words is "three billion, eight hundred ninety-nine million, seven hundred forty-three thousand, five hundred thirteen".