3842424657 has 6 divisors (see below), whose sum is σ = 5550168962. Its totient is φ = 2561616432.

The previous prime is 3842424617. The next prime is 3842424731. The reversal of 3842424657 is 7564242483.

It is a happy number.

3842424657 is a `hidden beast` number, since 384 + 24 + 246 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3218973696 + 623450961 = 56736^2 + 24969^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3842424657 is a prime.

It is a super-3 number, since 3×3842424657³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842424617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213468028 + ... + 213468045.

Almost surely, 2^3842424657 is an apocalyptic number.

It is an amenable number.

3842424657 is a deficient number, since it is larger than the sum of its proper divisors (1707744305).

3842424657 is a wasteful number, since it uses less digits than its factorization.

3842424657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426936079 (or 426936076 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 3842424657 is about 61987.2943190780. The cubic root of 3842424657 is about 1566.2765777894.

The spelling of 3842424657 in words is "three billion, eight hundred forty-two million, four hundred twenty-four thousand, six hundred fifty-seven".