3416347921 has 4 divisors (see below), whose sum is σ = 3904397632. Its totient is φ = 2928298212.

The previous prime is 3416347853. The next prime is 3416347933. The reversal of 3416347921 is 1297436143.

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: 1297436143 = 15361 ⋅84463.

It is not a de Polignac number, because 3416347921 - 2⁹ = 3416347409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3416341921) 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, 244024845 + ... + 244024858.

It is an arithmetic number, because the mean of its divisors is an integer number (976099408).

Almost surely, 2^3416347921 is an apocalyptic number.

It is an amenable number.

3416347921 is a deficient number, since it is larger than the sum of its proper divisors (488049711).

3416347921 is an equidigital number, since it uses as much as digits as its factorization.

3416347921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488049710.

The product of its digits is 108864, while the sum is 40.

The square root of 3416347921 is about 58449.5331119077. The cubic root of 3416347921 is about 1506.1007713457.

The spelling of 3416347921 in words is "three billion, four hundred sixteen million, three hundred forty-seven thousand, nine hundred twenty-one".