4612662521 has 2 divisors, whose sum is σ = 4612662522. Its totient is φ = 4612662520.

The previous prime is 4612662517. The next prime is 4612662553. The reversal of 4612662521 is 1252662164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4612447225 + 215296 = 67915^2 + 464^2 .

It is a cyclic number.

It is not a de Polignac number, because 4612662521 - 2² = 4612662517 is a prime.

It is not a weakly prime, because it can be changed into another prime (4612662511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306331260 + 2306331261.

It is an arithmetic number, because the mean of its divisors is an integer number (2306331261).

Almost surely, 2^4612662521 is an apocalyptic number.

It is an amenable number.

4612662521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4612662521 is an equidigital number, since it uses as much as digits as its factorization.

4612662521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 4612662521 is about 67916.5850216278. The cubic root of 4612662521 is about 1664.6281212472.

The spelling of 4612662521 in words is "four billion, six hundred twelve million, six hundred sixty-two thousand, five hundred twenty-one".