4721766253 has 2 divisors, whose sum is σ = 4721766254. Its totient is φ = 4721766252.

The previous prime is 4721766251. The next prime is 4721766443. The reversal of 4721766253 is 3526671274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3102267204 + 1619499049 = 55698^2 + 40243^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721766253 - 2¹ = 4721766251 is a prime.

Together with 4721766251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4721766251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360883126 + 2360883127.

It is an arithmetic number, because the mean of its divisors is an integer number (2360883127).

Almost surely, 2^4721766253 is an apocalyptic number.

It is an amenable number.

4721766253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721766253 is an equidigital number, since it uses as much as digits as its factorization.

4721766253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 4721766253 is about 68715.1093501276. The cubic root of 4721766253 is about 1677.6505154926.

The spelling of 4721766253 in words is "four billion, seven hundred twenty-one million, seven hundred sixty-six thousand, two hundred fifty-three".