481156902469 has 2 divisors, whose sum is σ = 481156902470. Its totient is φ = 481156902468.

The previous prime is 481156902449. The next prime is 481156902491. The reversal of 481156902469 is 964209651184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358543476225 + 122613426244 = 598785^2 + 350162^2 .

It is a cyclic number.

It is not a de Polignac number, because 481156902469 - 2⁹ = 481156901957 is a prime.

It is a super-2 number, since 2×481156902469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481156902409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240578451234 + 240578451235.

It is an arithmetic number, because the mean of its divisors is an integer number (240578451235).

Almost surely, 2^481156902469 is an apocalyptic number.

It is an amenable number.

481156902469 is a deficient number, since it is larger than the sum of its proper divisors (1).

481156902469 is an equidigital number, since it uses as much as digits as its factorization.

481156902469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 481156902469 in words is "four hundred eighty-one billion, one hundred fifty-six million, nine hundred two thousand, four hundred sixty-nine".