481630435268621 has 2 divisors, whose sum is σ = 481630435268622. Its totient is φ = 481630435268620.

The previous prime is 481630435268539. The next prime is 481630435268641. The reversal of 481630435268621 is 126862534036184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297150747039721 + 184479688228900 = 17238061^2 + 13582330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481630435268621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481630435268641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240815217634310 + 240815217634311.

It is an arithmetic number, because the mean of its divisors is an integer number (240815217634311).

Almost surely, 2^{481630435268621} is an apocalyptic number.

It is an amenable number.

481630435268621 is a deficient number, since it is larger than the sum of its proper divisors (1).

481630435268621 is an equidigital number, since it uses as much as digits as its factorization.

481630435268621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39813120, while the sum is 59.

The spelling of 481630435268621 in words is "four hundred eighty-one trillion, six hundred thirty billion, four hundred thirty-five million, two hundred sixty-eight thousand, six hundred twenty-one".