64628462263 has 2 divisors, whose sum is σ = 64628462264. Its totient is φ = 64628462262.

The previous prime is 64628462219. The next prime is 64628462303. The reversal of 64628462263 is 36226482646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64628462263 - 2²⁵ = 64594907831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64628460263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32314231131 + 32314231132.

It is an arithmetic number, because the mean of its divisors is an integer number (32314231132).

Almost surely, 2^64628462263 is an apocalyptic number.

64628462263 is a deficient number, since it is larger than the sum of its proper divisors (1).

64628462263 is an equidigital number, since it uses as much as digits as its factorization.

64628462263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 49.

The spelling of 64628462263 in words is "sixty-four billion, six hundred twenty-eight million, four hundred sixty-two thousand, two hundred sixty-three".