64602241643 has 2 divisors, whose sum is σ = 64602241644. Its totient is φ = 64602241642.

The previous prime is 64602241631. The next prime is 64602241651. The reversal of 64602241643 is 34614220646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64602241643 is a prime.

It is a super-3 number, since 3×64602241643³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64602241597 and 64602241606.

It is not a weakly prime, because it can be changed into another prime (64602241243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32301120821 + 32301120822.

It is an arithmetic number, because the mean of its divisors is an integer number (32301120822).

Almost surely, 2^64602241643 is an apocalyptic number.

64602241643 is a deficient number, since it is larger than the sum of its proper divisors (1).

64602241643 is an equidigital number, since it uses as much as digits as its factorization.

64602241643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 64602241643 in words is "sixty-four billion, six hundred two million, two hundred forty-one thousand, six hundred forty-three".