3871429619 has 4 divisors (see below), whose sum is σ = 3891081744. Its totient is φ = 3851777496.

The previous prime is 3871429613. The next prime is 3871429631. The reversal of 3871429619 is 9169241783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3871429619 - 2²⁰ = 3870381043 is a prime.

It is a super-2 number, since 2×3871429619² = 29975934589740970322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871429613) 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, 9825767 + ... + 9826160.

It is an arithmetic number, because the mean of its divisors is an integer number (972770436).

Almost surely, 2^3871429619 is an apocalyptic number.

3871429619 is a deficient number, since it is larger than the sum of its proper divisors (19652125).

3871429619 is a wasteful number, since it uses less digits than its factorization.

3871429619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19652124.

The product of its digits is 653184, while the sum is 50.

The square root of 3871429619 is about 62220.8133906975. The cubic root of 3871429619 is about 1570.2077725483.

The spelling of 3871429619 in words is "three billion, eight hundred seventy-one million, four hundred twenty-nine thousand, six hundred nineteen".