64458162709 has 2 divisors, whose sum is σ = 64458162710. Its totient is φ = 64458162708.

The previous prime is 64458162707. The next prime is 64458162721. The reversal of 64458162709 is 90726185446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62125562500 + 2332600209 = 249250^2 + 48297^2 .

It is a cyclic number.

It is not a de Polignac number, because 64458162709 - 2¹ = 64458162707 is a prime.

Together with 64458162707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64458162707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32229081354 + 32229081355.

It is an arithmetic number, because the mean of its divisors is an integer number (32229081355).

Almost surely, 2^64458162709 is an apocalyptic number.

It is an amenable number.

64458162709 is a deficient number, since it is larger than the sum of its proper divisors (1).

64458162709 is an equidigital number, since it uses as much as digits as its factorization.

64458162709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 64458162709 in words is "sixty-four billion, four hundred fifty-eight million, one hundred sixty-two thousand, seven hundred nine".