46642824649 has 2 divisors, whose sum is σ = 46642824650. Its totient is φ = 46642824648.

The previous prime is 46642824637. The next prime is 46642824749. The reversal of 46642824649 is 94642824664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43566125625 + 3076699024 = 208725^2 + 55468^2 .

It is a cyclic number.

It is not a de Polignac number, because 46642824649 - 2⁷ = 46642824521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46642824649.

It is not a weakly prime, because it can be changed into another prime (46642824749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23321412324 + 23321412325.

It is an arithmetic number, because the mean of its divisors is an integer number (23321412325).

Almost surely, 2^46642824649 is an apocalyptic number.

It is an amenable number.

46642824649 is a deficient number, since it is larger than the sum of its proper divisors (1).

46642824649 is an equidigital number, since it uses as much as digits as its factorization.

46642824649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 55.

The spelling of 46642824649 in words is "forty-six billion, six hundred forty-two million, eight hundred twenty-four thousand, six hundred forty-nine".