3618543357 has 72 divisors (see below), whose sum is σ = 6219295992. Its totient is φ = 2013834240.

The previous prime is 3618543311. The next prime is 3618543361. The reversal of 3618543357 is 7533458163.

3618543357 is a `hidden beast` number, since 36 + 185 + 433 + 5 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19263321 + 3599280036 = 4389^2 + 59994^2 .

It is not a de Polignac number, because 3618543357 - 2¹⁴ = 3618526973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618543307) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3298033 + ... + 3299129.

It is an arithmetic number, because the mean of its divisors is an integer number (86379111).

Almost surely, 2^3618543357 is an apocalyptic number.

It is an amenable number.

3618543357 is a deficient number, since it is larger than the sum of its proper divisors (2600752635).

3618543357 is a wasteful number, since it uses less digits than its factorization.

3618543357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1357 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 3618543357 is about 60154.3294950580. The cubic root of 3618543357 is about 1535.2458316007.

The spelling of 3618543357 in words is "three billion, six hundred eighteen million, five hundred forty-three thousand, three hundred fifty-seven".