46168443637 has 2 divisors, whose sum is σ = 46168443638. Its totient is φ = 46168443636.

The previous prime is 46168443631. The next prime is 46168443661. The reversal of 46168443637 is 73634486164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24649314001 + 21519129636 = 157001^2 + 146694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46168443637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46168443631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23084221818 + 23084221819.

It is an arithmetic number, because the mean of its divisors is an integer number (23084221819).

Almost surely, 2^46168443637 is an apocalyptic number.

It is an amenable number.

46168443637 is a deficient number, since it is larger than the sum of its proper divisors (1).

46168443637 is an equidigital number, since it uses as much as digits as its factorization.

46168443637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 52.

The spelling of 46168443637 in words is "forty-six billion, one hundred sixty-eight million, four hundred forty-three thousand, six hundred thirty-seven".