64722866371 has 2 divisors, whose sum is σ = 64722866372. Its totient is φ = 64722866370.

The previous prime is 64722866323. The next prime is 64722866419. The reversal of 64722866371 is 17366822746.

It is a balanced prime because it is at equal distance from previous prime (64722866323) and next prime (64722866419).

It is a cyclic number.

It is not a de Polignac number, because 64722866371 - 2²⁹ = 64185995459 is a prime.

It is not a weakly prime, because it can be changed into another prime (64722866771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32361433185 + 32361433186.

It is an arithmetic number, because the mean of its divisors is an integer number (32361433186).

Almost surely, 2^64722866371 is an apocalyptic number.

64722866371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64722866371 is an equidigital number, since it uses as much as digits as its factorization.

64722866371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The spelling of 64722866371 in words is "sixty-four billion, seven hundred twenty-two million, eight hundred sixty-six thousand, three hundred seventy-one".