4640365445773 has 2 divisors, whose sum is σ = 4640365445774. Its totient is φ = 4640365445772.

The previous prime is 4640365445659. The next prime is 4640365445783. The reversal of 4640365445773 is 3775445630464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4638415075204 + 1950370569 = 2153698^2 + 44163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640365445773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640365445783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320182722886 + 2320182722887.

It is an arithmetic number, because the mean of its divisors is an integer number (2320182722887).

Almost surely, 2^{4640365445773} is an apocalyptic number.

It is an amenable number.

4640365445773 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640365445773 is an equidigital number, since it uses as much as digits as its factorization.

4640365445773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 58.

The spelling of 4640365445773 in words is "four trillion, six hundred forty billion, three hundred sixty-five million, four hundred forty-five thousand, seven hundred seventy-three".