64382078775031 has 2 divisors, whose sum is σ = 64382078775032. Its totient is φ = 64382078775030.

The previous prime is 64382078774999. The next prime is 64382078775067. The reversal of 64382078775031 is 13057787028346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64382078775031 - 2⁵ = 64382078774999 is a prime.

It is a super-2 number, since 2×64382078775031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64382078775331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32191039387515 + 32191039387516.

It is an arithmetic number, because the mean of its divisors is an integer number (32191039387516).

Almost surely, 2^{64382078775031} is an apocalyptic number.

64382078775031 is a deficient number, since it is larger than the sum of its proper divisors (1).

64382078775031 is an equidigital number, since it uses as much as digits as its factorization.

64382078775031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 64382078775031 in words is "sixty-four trillion, three hundred eighty-two billion, seventy-eight million, seven hundred seventy-five thousand, thirty-one".