3634813689 has 16 divisors (see below), whose sum is σ = 5292733824. Its totient is φ = 2205302400.

The previous prime is 3634813681. The next prime is 3634813697. The reversal of 3634813689 is 9863184363.

It is an interprime number because it is at equal distance from previous prime (3634813681) and next prime (3634813697).

It is not a de Polignac number, because 3634813689 - 2³ = 3634813681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3634813681) 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 15 ways as a sum of consecutive naturals, for example, 653572 + ... + 659109.

It is an arithmetic number, because the mean of its divisors is an integer number (330795864).

Almost surely, 2^3634813689 is an apocalyptic number.

3634813689 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3634813689 is a deficient number, since it is larger than the sum of its proper divisors (1657920135).

3634813689 is a wasteful number, since it uses less digits than its factorization.

3634813689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312768.

The product of its digits is 2239488, while the sum is 51.

The square root of 3634813689 is about 60289.4160611960. The cubic root of 3634813689 is about 1537.5434056885.

The spelling of 3634813689 in words is "three billion, six hundred thirty-four million, eight hundred thirteen thousand, six hundred eighty-nine".