46686643 has 2 divisors, whose sum is σ = 46686644. Its totient is φ = 46686642.

The previous prime is 46686593. The next prime is 46686649. The reversal of 46686643 is 34668664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46686643 - 2¹³ = 46678451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46686643.

It is not a weakly prime, because it can be changed into another prime (46686649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23343321 + 23343322.

It is an arithmetic number, because the mean of its divisors is an integer number (23343322).

Almost surely, 2^46686643 is an apocalyptic number.

46686643 is a deficient number, since it is larger than the sum of its proper divisors (1).

46686643 is an equidigital number, since it uses as much as digits as its factorization.

46686643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 43.

The square root of 46686643 is about 6832.7624720899. The cubic root of 46686643 is about 360.0787970520.

It can be divided in two parts, 4668 and 6643, that added together give a palindrome (11311).

The spelling of 46686643 in words is "forty-six million, six hundred eighty-six thousand, six hundred forty-three".