480847708720921 has 2 divisors, whose sum is σ = 480847708720922. Its totient is φ = 480847708720920.

The previous prime is 480847708720903. The next prime is 480847708720927. The reversal of 480847708720921 is 129027807748084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416492994585600 + 64354714135321 = 20408160^2 + 8022139^2 .

It is a cyclic number.

It is not a de Polignac number, because 480847708720921 - 2²⁹ = 480847171850009 is a prime.

It is a super-3 number, since 3×480847708720921³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (480847708720927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240423854360460 + 240423854360461.

It is an arithmetic number, because the mean of its divisors is an integer number (240423854360461).

Almost surely, 2^{480847708720921} is an apocalyptic number.

It is an amenable number.

480847708720921 is a deficient number, since it is larger than the sum of its proper divisors (1).

480847708720921 is an equidigital number, since it uses as much as digits as its factorization.

480847708720921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101154816, while the sum is 67.

The spelling of 480847708720921 in words is "four hundred eighty trillion, eight hundred forty-seven billion, seven hundred eight million, seven hundred twenty thousand, nine hundred twenty-one".