4661222513 has 2 divisors, whose sum is σ = 4661222514. Its totient is φ = 4661222512.

The previous prime is 4661222479. The next prime is 4661222539. The reversal of 4661222513 is 3152221664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4450624369 + 210598144 = 66713^2 + 14512^2 .

It is a cyclic number.

It is not a de Polignac number, because 4661222513 - 2⁸ = 4661222257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4661222513.

It is not a weakly prime, because it can be changed into another prime (4661122513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330611256 + 2330611257.

It is an arithmetic number, because the mean of its divisors is an integer number (2330611257).

Almost surely, 2^4661222513 is an apocalyptic number.

It is an amenable number.

4661222513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661222513 is an equidigital number, since it uses as much as digits as its factorization.

4661222513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 4661222513 is about 68273.1463534529. The cubic root of 4661222513 is about 1670.4492215439.

The spelling of 4661222513 in words is "four billion, six hundred sixty-one million, two hundred twenty-two thousand, five hundred thirteen".