64126802659 has 2 divisors, whose sum is σ = 64126802660. Its totient is φ = 64126802658.

The previous prime is 64126802633. The next prime is 64126802689. The reversal of 64126802659 is 95620862146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64126802659 - 2⁵ = 64126802627 is a prime.

It is a super-2 number, since 2×64126802659² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64126802629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32063401329 + 32063401330.

It is an arithmetic number, because the mean of its divisors is an integer number (32063401330).

Almost surely, 2^64126802659 is an apocalyptic number.

64126802659 is a deficient number, since it is larger than the sum of its proper divisors (1).

64126802659 is an equidigital number, since it uses as much as digits as its factorization.

64126802659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 64126802659 in words is "sixty-four billion, one hundred twenty-six million, eight hundred two thousand, six hundred fifty-nine".