64442627467 has 2 divisors, whose sum is σ = 64442627468. Its totient is φ = 64442627466.

The previous prime is 64442627461. The next prime is 64442627471. The reversal of 64442627467 is 76472624446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64442627467 is a prime.

It is not a weakly prime, because it can be changed into another prime (64442627461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32221313733 + 32221313734.

It is an arithmetic number, because the mean of its divisors is an integer number (32221313734).

Almost surely, 2^64442627467 is an apocalyptic number.

64442627467 is a deficient number, since it is larger than the sum of its proper divisors (1).

64442627467 is an equidigital number, since it uses as much as digits as its factorization.

64442627467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 52.

The spelling of 64442627467 in words is "sixty-four billion, four hundred forty-two million, six hundred twenty-seven thousand, four hundred sixty-seven".