4188135349 has 2 divisors, whose sum is σ = 4188135350. Its totient is φ = 4188135348.

The previous prime is 4188135307. The next prime is 4188135353. The reversal of 4188135349 is 9435318814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3606843249 + 581292100 = 60057^2 + 24110^2 .

It is a cyclic number.

It is not a de Polignac number, because 4188135349 - 2²⁵ = 4154580917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4188135299 and 4188135308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4188135379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094067674 + 2094067675.

It is an arithmetic number, because the mean of its divisors is an integer number (2094067675).

Almost surely, 2^4188135349 is an apocalyptic number.

It is an amenable number.

4188135349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4188135349 is an equidigital number, since it uses as much as digits as its factorization.

4188135349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 4188135349 is about 64715.8044761865. The cubic root of 4188135349 is about 1611.9079458883.

The spelling of 4188135349 in words is "four billion, one hundred eighty-eight million, one hundred thirty-five thousand, three hundred forty-nine".