3731609672349 has 32 divisors (see below), whose sum is σ = 5640588912000. Its totient is φ = 2175370940160.

The previous prime is 3731609672309. The next prime is 3731609672363. The reversal of 3731609672349 is 9432769061373.

It is not a de Polignac number, because 3731609672349 - 2⁹ = 3731609671837 is a prime.

It is a super-2 number, since 2×3731609672349² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3731609672292 and 3731609672301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731609672309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11744427 + ... + 12057975.

It is an arithmetic number, because the mean of its divisors is an integer number (176268403500).

Almost surely, 2^{3731609672349} is an apocalyptic number.

3731609672349 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3731609672349 is a deficient number, since it is larger than the sum of its proper divisors (1908979239651).

3731609672349 is a wasteful number, since it uses less digits than its factorization.

3731609672349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329645.

The product of its (nonzero) digits is 30862944, while the sum is 60.

The spelling of 3731609672349 in words is "three trillion, seven hundred thirty-one billion, six hundred nine million, six hundred seventy-two thousand, three hundred forty-nine".