4640102681 has 2 divisors, whose sum is σ = 4640102682. Its totient is φ = 4640102680.

The previous prime is 4640102629. The next prime is 4640102699. The reversal of 4640102681 is 1862010464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4034155225 + 605947456 = 63515^2 + 24616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640102681 is a prime.

It is a super-2 number, since 2×4640102681² = 43061105780446775522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4640102381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320051340 + 2320051341.

It is an arithmetic number, because the mean of its divisors is an integer number (2320051341).

Almost surely, 2^4640102681 is an apocalyptic number.

It is an amenable number.

4640102681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640102681 is an equidigital number, since it uses as much as digits as its factorization.

4640102681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 4640102681 is about 68118.2991640279. The cubic root of 4640102681 is about 1667.9224863436.

The spelling of 4640102681 in words is "four billion, six hundred forty million, one hundred two thousand, six hundred eighty-one".