4720896217 has 2 divisors, whose sum is σ = 4720896218. Its totient is φ = 4720896216.

The previous prime is 4720896149. The next prime is 4720896233. The reversal of 4720896217 is 7126980274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4516377616 + 204518601 = 67204^2 + 14301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4720896217 is a prime.

It is a super-2 number, since 2×4720896217² = 44573722183369822178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4720896517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360448108 + 2360448109.

It is an arithmetic number, because the mean of its divisors is an integer number (2360448109).

Almost surely, 2^4720896217 is an apocalyptic number.

It is an amenable number.

4720896217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4720896217 is an equidigital number, since it uses as much as digits as its factorization.

4720896217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 4720896217 is about 68708.7783110717. The cubic root of 4720896217 is about 1677.5474674717.

It can be divided in two parts, 472089621 and 7, that added together give a triangular number (472089628 = T₃₀₇₂₇).

The spelling of 4720896217 in words is "four billion, seven hundred twenty million, eight hundred ninety-six thousand, two hundred seventeen".