46643539 has 2 divisors, whose sum is σ = 46643540. Its totient is φ = 46643538.

The previous prime is 46643533. The next prime is 46643557. The reversal of 46643539 is 93534664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46643539 - 2²¹ = 44546387 is a prime.

It is not a weakly prime, because it can be changed into another prime (46643533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23321769 + 23321770.

It is an arithmetic number, because the mean of its divisors is an integer number (23321770).

Almost surely, 2^46643539 is an apocalyptic number.

46643539 is a deficient number, since it is larger than the sum of its proper divisors (1).

46643539 is an equidigital number, since it uses as much as digits as its factorization.

46643539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The square root of 46643539 is about 6829.6075289873. The cubic root of 46643539 is about 359.9679472491.

The spelling of 46643539 in words is "forty-six million, six hundred forty-three thousand, five hundred thirty-nine".