3656446147 has 2 divisors, whose sum is σ = 3656446148. Its totient is φ = 3656446146.

The previous prime is 3656446081. The next prime is 3656446151. The reversal of 3656446147 is 7416446563.

It is a strong prime.

It is an emirp because it is prime and its reverse (7416446563) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3656446147 is a prime.

It is a super-2 number, since 2×3656446147² = 26739196851822291218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3656446097 and 3656446106.

It is not a weakly prime, because it can be changed into another prime (3656246147) 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, 1828223073 + 1828223074.

It is an arithmetic number, because the mean of its divisors is an integer number (1828223074).

Almost surely, 2^3656446147 is an apocalyptic number.

3656446147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3656446147 is an equidigital number, since it uses as much as digits as its factorization.

3656446147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 3656446147 is about 60468.5550265591. Note that the first 3 decimals coincide. The cubic root of 3656446147 is about 1540.5875852747.

The spelling of 3656446147 in words is "three billion, six hundred fifty-six million, four hundred forty-six thousand, one hundred forty-seven".