3471689749 has 4 divisors (see below), whose sum is σ = 3787297920. Its totient is φ = 3156081580.

The previous prime is 3471689743. The next prime is 3471689777. The reversal of 3471689749 is 9479861743.

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 a cyclic number.

It is not a de Polignac number, because 3471689749 - 2¹³ = 3471681557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3471689693 and 3471689702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3471689743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157804069 + ... + 157804090.

It is an arithmetic number, because the mean of its divisors is an integer number (946824480).

Almost surely, 2^3471689749 is an apocalyptic number.

It is an amenable number.

3471689749 is a deficient number, since it is larger than the sum of its proper divisors (315608171).

3471689749 is a wasteful number, since it uses less digits than its factorization.

3471689749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315608170.

The product of its digits is 9144576, while the sum is 58.

The square root of 3471689749 is about 58921.0467405324. The cubic root of 3471689749 is about 1514.1897512918.

The spelling of 3471689749 in words is "three billion, four hundred seventy-one million, six hundred eighty-nine thousand, seven hundred forty-nine".