64134550297 has 2 divisors, whose sum is σ = 64134550298. Its totient is φ = 64134550296.

The previous prime is 64134550153. The next prime is 64134550301. The reversal of 64134550297 is 79205543146.

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., 54683016336 + 9451533961 = 233844^2 + 97219^2 .

It is a cyclic number.

It is not a de Polignac number, because 64134550297 - 2¹⁵ = 64134517529 is a prime.

It is a super-2 number, since 2×64134550297² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64134580297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32067275148 + 32067275149.

It is an arithmetic number, because the mean of its divisors is an integer number (32067275149).

Almost surely, 2^64134550297 is an apocalyptic number.

It is an amenable number.

64134550297 is a deficient number, since it is larger than the sum of its proper divisors (1).

64134550297 is an equidigital number, since it uses as much as digits as its factorization.

64134550297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 64134550297 in words is "sixty-four billion, one hundred thirty-four million, five hundred fifty thousand, two hundred ninety-seven".