3945616741 has 8 divisors (see below), whose sum is σ = 4530852000. Its totient is φ = 3398138640.

The previous prime is 3945616739. The next prime is 3945616789. The reversal of 3945616741 is 1476165493.

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 3945616741 - 2¹ = 3945616739 is a prime.

It is a super-2 number, since 2×3945616741² = 31135782933718922162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3945616691 and 3945616700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945616711) 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, 9439066 + ... + 9439483.

It is an arithmetic number, because the mean of its divisors is an integer number (566356500).

Almost surely, 2^3945616741 is an apocalyptic number.

It is an amenable number.

3945616741 is a deficient number, since it is larger than the sum of its proper divisors (585235259).

3945616741 is a wasteful number, since it uses less digits than its factorization.

3945616741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18878579.

The product of its digits is 544320, while the sum is 46.

The square root of 3945616741 is about 62814.1444341957. The cubic root of 3945616741 is about 1580.1741971320.

The spelling of 3945616741 in words is "three billion, nine hundred forty-five million, six hundred sixteen thousand, seven hundred forty-one".