3734789643 has 54 divisors (see below), whose sum is σ = 5940924444. Its totient is φ = 2259889632.

The previous prime is 3734789627. The next prime is 3734789659. The reversal of 3734789643 is 3469874373.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3734789627) and next prime (3734789659).

It is not a de Polignac number, because 3734789643 - 2⁴ = 3734789627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3734789643.

It is not an unprimeable number, because it can be changed into a prime (3734789683) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6827496 + ... + 6828042.

Almost surely, 2^3734789643 is an apocalyptic number.

3734789643 is a deficient number, since it is larger than the sum of its proper divisors (2206134801).

3734789643 is a wasteful number, since it uses less digits than its factorization.

3734789643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 630 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The square root of 3734789643 is about 61112.9253349895. The cubic root of 3734789643 is about 1551.5128680898.

The spelling of 3734789643 in words is "three billion, seven hundred thirty-four million, seven hundred eighty-nine thousand, six hundred forty-three".