64452310281439 has 2 divisors, whose sum is σ = 64452310281440. Its totient is φ = 64452310281438.

The previous prime is 64452310281427. The next prime is 64452310281503. The reversal of 64452310281439 is 93418201325446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64452310281439 - 2⁴¹ = 62253287025887 is a prime.

It is a super-2 number, since 2×64452310281439² (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 (64452310281409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32226155140719 + 32226155140720.

It is an arithmetic number, because the mean of its divisors is an integer number (32226155140720).

Almost surely, 2^{64452310281439} is an apocalyptic number.

64452310281439 is a deficient number, since it is larger than the sum of its proper divisors (1).

64452310281439 is an equidigital number, since it uses as much as digits as its factorization.

64452310281439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 64452310281439 in words is "sixty-four trillion, four hundred fifty-two billion, three hundred ten million, two hundred eighty-one thousand, four hundred thirty-nine".