4646437109 has 2 divisors, whose sum is σ = 4646437110. Its totient is φ = 4646437108.

The previous prime is 4646437073. The next prime is 4646437121. The reversal of 4646437109 is 9017346464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4572734884 + 73702225 = 67622^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 4646437109 - 2²⁴ = 4629659893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4646437109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646437129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323218554 + 2323218555.

It is an arithmetic number, because the mean of its divisors is an integer number (2323218555).

Almost surely, 2^4646437109 is an apocalyptic number.

It is an amenable number.

4646437109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646437109 is an equidigital number, since it uses as much as digits as its factorization.

4646437109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 4646437109 is about 68164.7790944854. The cubic root of 4646437109 is about 1668.6811283765.

The spelling of 4646437109 in words is "four billion, six hundred forty-six million, four hundred thirty-seven thousand, one hundred nine".