64099894871 has 2 divisors, whose sum is σ = 64099894872. Its totient is φ = 64099894870.

The previous prime is 64099894843. The next prime is 64099894879. The reversal of 64099894871 is 17849899046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64099894871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64099894798 and 64099894807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64099894879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32049947435 + 32049947436.

It is an arithmetic number, because the mean of its divisors is an integer number (32049947436).

Almost surely, 2^64099894871 is an apocalyptic number.

64099894871 is a deficient number, since it is larger than the sum of its proper divisors (1).

64099894871 is an equidigital number, since it uses as much as digits as its factorization.

64099894871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 64099894871 in words is "sixty-four billion, ninety-nine million, eight hundred ninety-four thousand, eight hundred seventy-one".