3421689971 has 4 divisors (see below), whose sum is σ = 3910502832. Its totient is φ = 2932877112.

The previous prime is 3421689941. The next prime is 3421689989. The reversal of 3421689971 is 1799861243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1799861243 = 103 ⋅17474381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421689971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421689941) 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, 244406420 + ... + 244406433.

It is an arithmetic number, because the mean of its divisors is an integer number (977625708).

Almost surely, 2^3421689971 is an apocalyptic number.

3421689971 is a deficient number, since it is larger than the sum of its proper divisors (488812861).

3421689971 is an equidigital number, since it uses as much as digits as its factorization.

3421689971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488812860.

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

The square root of 3421689971 is about 58495.2132315115. The cubic root of 3421689971 is about 1506.8853787544.

The spelling of 3421689971 in words is "three billion, four hundred twenty-one million, six hundred eighty-nine thousand, nine hundred seventy-one".