3634709349 has 4 divisors (see below), whose sum is σ = 4846279136. Its totient is φ = 2423139564.

The previous prime is 3634709333. The next prime is 3634709383. The reversal of 3634709349 is 9439074363.

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: 9439074363 = 3 ⋅3146358121.

It is not a de Polignac number, because 3634709349 - 2⁴ = 3634709333 is a prime.

It is a super-2 number, since 2×3634709349² = 26422224103416007602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3634709298 and 3634709307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634709399) 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, 605784889 + ... + 605784894.

It is an arithmetic number, because the mean of its divisors is an integer number (1211569784).

Almost surely, 2^3634709349 is an apocalyptic number.

It is an amenable number.

3634709349 is a deficient number, since it is larger than the sum of its proper divisors (1211569787).

3634709349 is a wasteful number, since it uses less digits than its factorization.

3634709349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211569786.

The product of its (nonzero) digits is 1469664, while the sum is 48.

The square root of 3634709349 is about 60288.5507289734. The cubic root of 3634709349 is about 1537.5286934430.

The spelling of 3634709349 in words is "three billion, six hundred thirty-four million, seven hundred nine thousand, three hundred forty-nine".