3843145337 has 4 divisors (see below), whose sum is σ = 3975667620. Its totient is φ = 3710623056.

The previous prime is 3843145261. The next prime is 3843145357. The reversal of 3843145337 is 7335413483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7335413483 = 23 ⋅318931021.

It can be written as a sum of positive squares in 2 ways, for example, as 1823631616 + 2019513721 = 42704^2 + 44939^2 .

It is a cyclic number.

It is not a de Polignac number, because 3843145337 - 2²⁴ = 3826368121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3843145294 and 3843145303.

It is not an unprimeable number, because it can be changed into a prime (3843145357) 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, 66261098 + ... + 66261155.

It is an arithmetic number, because the mean of its divisors is an integer number (993916905).

Almost surely, 2^3843145337 is an apocalyptic number.

It is an amenable number.

3843145337 is a deficient number, since it is larger than the sum of its proper divisors (132522283).

3843145337 is a wasteful number, since it uses less digits than its factorization.

3843145337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132522282.

The product of its digits is 362880, while the sum is 41.

The square root of 3843145337 is about 61993.1071732979. The cubic root of 3843145337 is about 1566.3744945773.

The spelling of 3843145337 in words is "three billion, eight hundred forty-three million, one hundred forty-five thousand, three hundred thirty-seven".