3946055551 has 2 divisors, whose sum is σ = 3946055552. Its totient is φ = 3946055550.

The previous prime is 3946055483. The next prime is 3946055599. The reversal of 3946055551 is 1555506493.

It is a strong prime.

It is an emirp because it is prime and its reverse (1555506493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3946055551 - 2⁷ = 3946055423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3946055498 and 3946055507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946005551) 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, 1973027775 + 1973027776.

It is an arithmetic number, because the mean of its divisors is an integer number (1973027776).

Almost surely, 2^3946055551 is an apocalyptic number.

3946055551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946055551 is an equidigital number, since it uses as much as digits as its factorization.

3946055551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 43.

The square root of 3946055551 is about 62817.6372605656. The cubic root of 3946055551 is about 1580.2327744159.

The spelling of 3946055551 in words is "three billion, nine hundred forty-six million, fifty-five thousand, five hundred fifty-one".