3873513149 has 4 divisors (see below), whose sum is σ = 4225650720. Its totient is φ = 3521375580.

The previous prime is 3873513047. The next prime is 3873513157. The reversal of 3873513149 is 9413153783.

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: 9413153783 = 11 ⋅855741253.

It is a cyclic number.

It is not a de Polignac number, because 3873513149 - 2⁸ = 3873512893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873513169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 176068769 + ... + 176068790.

It is an arithmetic number, because the mean of its divisors is an integer number (1056412680).

Almost surely, 2^3873513149 is an apocalyptic number.

It is an amenable number.

3873513149 is a deficient number, since it is larger than the sum of its proper divisors (352137571).

3873513149 is a wasteful number, since it uses less digits than its factorization.

3873513149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352137570.

The product of its digits is 272160, while the sum is 44.

The square root of 3873513149 is about 62237.5541694884. The cubic root of 3873513149 is about 1570.4894073790.

The spelling of 3873513149 in words is "three billion, eight hundred seventy-three million, five hundred thirteen thousand, one hundred forty-nine".