3658641853 has 2 divisors, whose sum is σ = 3658641854. Its totient is φ = 3658641852.

The previous prime is 3658641841. The next prime is 3658641907. The reversal of 3658641853 is 3581468563.

3658641853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835522649 + 1823119204 = 42843^2 + 42698^2 .

It is a cyclic number.

It is not a de Polignac number, because 3658641853 - 2²⁵ = 3625087421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3658641797 and 3658641806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3658641803) 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 as a sum of consecutive naturals, namely, 1829320926 + 1829320927.

It is an arithmetic number, because the mean of its divisors is an integer number (1829320927).

Almost surely, 2^3658641853 is an apocalyptic number.

It is an amenable number.

3658641853 is a deficient number, since it is larger than the sum of its proper divisors (1).

3658641853 is an equidigital number, since it uses as much as digits as its factorization.

3658641853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The square root of 3658641853 is about 60486.7080687981. The cubic root of 3658641853 is about 1540.8958992670.

The spelling of 3658641853 in words is "three billion, six hundred fifty-eight million, six hundred forty-one thousand, eight hundred fifty-three".