64067923471 has 2 divisors, whose sum is σ = 64067923472. Its totient is φ = 64067923470.

The previous prime is 64067923459. The next prime is 64067923499. The reversal of 64067923471 is 17432976046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64067923471 - 2⁷ = 64067923343 is a prime.

It is a super-3 number, since 3×64067923471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64067920471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033961735 + 32033961736.

It is an arithmetic number, because the mean of its divisors is an integer number (32033961736).

Almost surely, 2^64067923471 is an apocalyptic number.

64067923471 is a deficient number, since it is larger than the sum of its proper divisors (1).

64067923471 is an equidigital number, since it uses as much as digits as its factorization.

64067923471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 64067923471 in words is "sixty-four billion, sixty-seven million, nine hundred twenty-three thousand, four hundred seventy-one".