4721445101 has 2 divisors, whose sum is σ = 4721445102. Its totient is φ = 4721445100.

The previous prime is 4721445061. The next prime is 4721445103. The reversal of 4721445101 is 1015441274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4455429001 + 266016100 = 66749^2 + 16310^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721445101 - 2¹⁸ = 4721182957 is a prime.

It is a Sophie Germain prime.

Together with 4721445103, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4721445103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360722550 + 2360722551.

It is an arithmetic number, because the mean of its divisors is an integer number (2360722551).

Almost surely, 2^4721445101 is an apocalyptic number.

It is an amenable number.

4721445101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721445101 is an equidigital number, since it uses as much as digits as its factorization.

4721445101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 4721445101 is about 68712.7724735365. The cubic root of 4721445101 is about 1677.6124793705.

Adding to 4721445101 its reverse (1015441274), we get a palindrome (5736886375).

The spelling of 4721445101 in words is "four billion, seven hundred twenty-one million, four hundred forty-five thousand, one hundred one".