3723638889 has 32 divisors (see below), whose sum is σ = 5370393600. Its totient is φ = 2287897920.

The previous prime is 3723638887. The next prime is 3723638899. The reversal of 3723638889 is 9888363273.

It is not a de Polignac number, because 3723638889 - 2¹ = 3723638887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3723638887) 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, 1140942 + ... + 1144200.

It is an arithmetic number, because the mean of its divisors is an integer number (167824800).

Almost surely, 2^3723638889 is an apocalyptic number.

It is an amenable number.

3723638889 is a deficient number, since it is larger than the sum of its proper divisors (1646754711).

3723638889 is a wasteful number, since it uses less digits than its factorization.

3723638889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its digits is 10450944, while the sum is 57.

The square root of 3723638889 is about 61021.6264040873. The cubic root of 3723638889 is about 1549.9672402372.

The spelling of 3723638889 in words is "three billion, seven hundred twenty-three million, six hundred thirty-eight thousand, eight hundred eighty-nine".