64519055453 has 2 divisors, whose sum is σ = 64519055454. Its totient is φ = 64519055452.

The previous prime is 64519055417. The next prime is 64519055501. The reversal of 64519055453 is 35455091546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51382915684 + 13136139769 = 226678^2 + 114613^2 .

It is a cyclic number.

It is not a de Polignac number, because 64519055453 - 2¹² = 64519051357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64519055398 and 64519055407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64519055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32259527726 + 32259527727.

It is an arithmetic number, because the mean of its divisors is an integer number (32259527727).

Almost surely, 2^64519055453 is an apocalyptic number.

It is an amenable number.

64519055453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64519055453 is an equidigital number, since it uses as much as digits as its factorization.

64519055453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 64519055453 in words is "sixty-four billion, five hundred nineteen million, fifty-five thousand, four hundred fifty-three".