488476223621 has 2 divisors, whose sum is σ = 488476223622. Its totient is φ = 488476223620.

The previous prime is 488476223497. The next prime is 488476223693. The reversal of 488476223621 is 126322674884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472044573025 + 16431650596 = 687055^2 + 128186^2 .

It is a cyclic number.

It is not a de Polignac number, because 488476223621 - 2²² = 488472029317 is a prime.

It is a Sophie Germain 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 (488476223021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244238111810 + 244238111811.

It is an arithmetic number, because the mean of its divisors is an integer number (244238111811).

Almost surely, 2^488476223621 is an apocalyptic number.

It is an amenable number.

488476223621 is a deficient number, since it is larger than the sum of its proper divisors (1).

488476223621 is an equidigital number, since it uses as much as digits as its factorization.

488476223621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 53.

The spelling of 488476223621 in words is "four hundred eighty-eight billion, four hundred seventy-six million, two hundred twenty-three thousand, six hundred twenty-one".