64040222047 has 2 divisors, whose sum is σ = 64040222048. Its totient is φ = 64040222046.

The previous prime is 64040221991. The next prime is 64040222069. The reversal of 64040222047 is 74022204046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64040222047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64040222347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32020111023 + 32020111024.

It is an arithmetic number, because the mean of its divisors is an integer number (32020111024).

Almost surely, 2^64040222047 is an apocalyptic number.

64040222047 is a deficient number, since it is larger than the sum of its proper divisors (1).

64040222047 is an equidigital number, since it uses as much as digits as its factorization.

64040222047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 64040222047 in words is "sixty-four billion, forty million, two hundred twenty-two thousand, forty-seven".