64600614643 has 2 divisors, whose sum is σ = 64600614644. Its totient is φ = 64600614642.

The previous prime is 64600614641. The next prime is 64600614677. The reversal of 64600614643 is 34641600646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64600614643 - 2¹ = 64600614641 is a prime.

Together with 64600614641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64600614596 and 64600614605.

It is not a weakly prime, because it can be changed into another prime (64600614641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32300307321 + 32300307322.

It is an arithmetic number, because the mean of its divisors is an integer number (32300307322).

Almost surely, 2^64600614643 is an apocalyptic number.

64600614643 is a deficient number, since it is larger than the sum of its proper divisors (1).

64600614643 is an equidigital number, since it uses as much as digits as its factorization.

64600614643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 64600614643 in words is "sixty-four billion, six hundred million, six hundred fourteen thousand, six hundred forty-three".