4154661647 has 2 divisors, whose sum is σ = 4154661648. Its totient is φ = 4154661646.

The previous prime is 4154661601. The next prime is 4154661659. The reversal of 4154661647 is 7461664514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4154661647 - 2¹⁸ = 4154399503 is a prime.

It is a super-2 number, since 2×4154661647² = 34522426802105505218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4154661598 and 4154661607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4154661047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077330823 + 2077330824.

It is an arithmetic number, because the mean of its divisors is an integer number (2077330824).

Almost surely, 2^4154661647 is an apocalyptic number.

4154661647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4154661647 is an equidigital number, since it uses as much as digits as its factorization.

4154661647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 4154661647 is about 64456.6648764889. The cubic root of 4154661647 is about 1607.6020585230.

The spelling of 4154661647 in words is "four billion, one hundred fifty-four million, six hundred sixty-one thousand, six hundred forty-seven".