64038829823 has 2 divisors, whose sum is σ = 64038829824. Its totient is φ = 64038829822.

The previous prime is 64038829817. The next prime is 64038829837. The reversal of 64038829823 is 32892883046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64038829823 - 2⁶ = 64038829759 is a prime.

It is a super-2 number, since 2×64038829823² (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 (64038829853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32019414911 + 32019414912.

It is an arithmetic number, because the mean of its divisors is an integer number (32019414912).

Almost surely, 2^64038829823 is an apocalyptic number.

64038829823 is a deficient number, since it is larger than the sum of its proper divisors (1).

64038829823 is an equidigital number, since it uses as much as digits as its factorization.

64038829823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 64038829823 in words is "sixty-four billion, thirty-eight million, eight hundred twenty-nine thousand, eight hundred twenty-three".