3507685329 has 4 divisors (see below), whose sum is σ = 4676913776. Its totient is φ = 2338456884.

The previous prime is 3507685301. The next prime is 3507685331. The reversal of 3507685329 is 9235867053.

It is a happy number.

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 3507685329 - 2²³ = 3499296721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3507685339) 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, 584614219 + ... + 584614224.

It is an arithmetic number, because the mean of its divisors is an integer number (1169228444).

Almost surely, 2^3507685329 is an apocalyptic number.

It is an amenable number.

3507685329 is a deficient number, since it is larger than the sum of its proper divisors (1169228447).

3507685329 is a wasteful number, since it uses less digits than its factorization.

3507685329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169228446.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 3507685329 is about 59225.7150991020. The cubic root of 3507685329 is about 1519.4049680695.

The spelling of 3507685329 in words is "three billion, five hundred seven million, six hundred eighty-five thousand, three hundred twenty-nine".