3819634149 has 4 divisors (see below), whose sum is σ = 5092845536. Its totient is φ = 2546422764.

The previous prime is 3819634141. The next prime is 3819634151. The reversal of 3819634149 is 9414369183.

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 3819634149 - 2³ = 3819634141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3819634098 and 3819634107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3819634141) 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, 636605689 + ... + 636605694.

It is an arithmetic number, because the mean of its divisors is an integer number (1273211384).

Almost surely, 2^3819634149 is an apocalyptic number.

It is an amenable number.

3819634149 is a deficient number, since it is larger than the sum of its proper divisors (1273211387).

3819634149 is a wasteful number, since it uses less digits than its factorization.

3819634149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273211386.

The product of its digits is 559872, while the sum is 48.

The square root of 3819634149 is about 61803.1888254967. The cubic root of 3819634149 is about 1563.1737585733.

The spelling of 3819634149 in words is "three billion, eight hundred nineteen million, six hundred thirty-four thousand, one hundred forty-nine".