11640463 has 2 divisors, whose sum is σ = 11640464. Its totient is φ = 11640462.

The previous prime is 11640457. The next prime is 11640481. The reversal of 11640463 is 36404611.

11640463 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 is a cyclic number.

It is not a de Polignac number, because 11640463 - 2²¹ = 9543311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11640403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820231 + 5820232.

It is an arithmetic number, because the mean of its divisors is an integer number (5820232).

Almost surely, 2^11640463 is an apocalyptic number.

11640463 is a deficient number, since it is larger than the sum of its proper divisors (1).

11640463 is an equidigital number, since it uses as much as digits as its factorization.

11640463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 11640463 is about 3411.8122750233. The cubic root of 11640463 is about 226.6331411873.

The spelling of 11640463 in words is "eleven million, six hundred forty thousand, four hundred sixty-three".