64263355501 has 2 divisors, whose sum is σ = 64263355502. Its totient is φ = 64263355500.

The previous prime is 64263355447. The next prime is 64263355517. The reversal of 64263355501 is 10555336246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42448360900 + 21814994601 = 206030^2 + 147699^2 .

It is a cyclic number.

It is not a de Polignac number, because 64263355501 - 2⁹ = 64263354989 is a prime.

It is a super-2 number, since 2×64263355501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64263355201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32131677750 + 32131677751.

It is an arithmetic number, because the mean of its divisors is an integer number (32131677751).

Almost surely, 2^64263355501 is an apocalyptic number.

It is an amenable number.

64263355501 is a deficient number, since it is larger than the sum of its proper divisors (1).

64263355501 is an equidigital number, since it uses as much as digits as its factorization.

64263355501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 64263355501 in words is "sixty-four billion, two hundred sixty-three million, three hundred fifty-five thousand, five hundred one".