3723181913 has 8 divisors (see below), whose sum is σ = 4078650240. Its totient is φ = 3370546480.

The previous prime is 3723181901. The next prime is 3723181927. The reversal of 3723181913 is 3191813273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3723181913 - 2⁴ = 3723181897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3723181963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705470 + ... + 710727.

It is an arithmetic number, because the mean of its divisors is an integer number (509831280).

Almost surely, 2^3723181913 is an apocalyptic number.

It is an amenable number.

3723181913 is a deficient number, since it is larger than the sum of its proper divisors (355468327).

3723181913 is a wasteful number, since it uses less digits than its factorization.

3723181913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416447.

The product of its digits is 27216, while the sum is 38.

The square root of 3723181913 is about 61017.8819117806. The cubic root of 3723181913 is about 1549.9038321188.

The spelling of 3723181913 in words is "three billion, seven hundred twenty-three million, one hundred eighty-one thousand, nine hundred thirteen".