64722052896229 has 2 divisors, whose sum is σ = 64722052896230. Its totient is φ = 64722052896228.

The previous prime is 64722052896167. The next prime is 64722052896247. The reversal of 64722052896229 is 92269825022746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61385501312100 + 3336551584129 = 7834890^2 + 1826623^2 .

It is a cyclic number.

It is not a de Polignac number, because 64722052896229 - 2¹⁹ = 64722052371941 is a prime.

It is a super-2 number, since 2×64722052896229² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64722052893229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32361026448114 + 32361026448115.

It is an arithmetic number, because the mean of its divisors is an integer number (32361026448115).

Almost surely, 2^{64722052896229} is an apocalyptic number.

It is an amenable number.

64722052896229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64722052896229 is an equidigital number, since it uses as much as digits as its factorization.

64722052896229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 64722052896229 in words is "sixty-four trillion, seven hundred twenty-two billion, fifty-two million, eight hundred ninety-six thousand, two hundred twenty-nine".