64771235363 has 2 divisors, whose sum is σ = 64771235364. Its totient is φ = 64771235362.

The previous prime is 64771235327. The next prime is 64771235369. The reversal of 64771235363 is 36353217746.

64771235363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64771235363 - 2²⁴ = 64754458147 is a prime.

It is not a weakly prime, because it can be changed into another prime (64771235369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32385617681 + 32385617682.

It is an arithmetic number, because the mean of its divisors is an integer number (32385617682).

Almost surely, 2^64771235363 is an apocalyptic number.

64771235363 is a deficient number, since it is larger than the sum of its proper divisors (1).

64771235363 is an equidigital number, since it uses as much as digits as its factorization.

64771235363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 47.

The spelling of 64771235363 in words is "sixty-four billion, seven hundred seventy-one million, two hundred thirty-five thousand, three hundred sixty-three".