3713731643 has 4 divisors (see below), whose sum is σ = 3714830208. Its totient is φ = 3712633080.

The previous prime is 3713731633. The next prime is 3713731657. The reversal of 3713731643 is 3461373173.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3461373173 = 113 ⋅30631621.

It is a cyclic number.

It is not a de Polignac number, because 3713731643 - 2⁴ = 3713731627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3713731597 and 3713731606.

It is not an unprimeable number, because it can be changed into a prime (3713731603) 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, 544196 + ... + 550977.

It is an arithmetic number, because the mean of its divisors is an integer number (928707552).

Almost surely, 2^3713731643 is an apocalyptic number.

3713731643 is a deficient number, since it is larger than the sum of its proper divisors (1098565).

3713731643 is a wasteful number, since it uses less digits than its factorization.

3713731643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098564.

The product of its digits is 95256, while the sum is 38.

The square root of 3713731643 is about 60940.3941815279. The cubic root of 3713731643 is about 1548.5913866534.

The spelling of 3713731643 in words is "three billion, seven hundred thirteen million, seven hundred thirty-one thousand, six hundred forty-three".