469281961 has 2 divisors, whose sum is σ = 469281962. Its totient is φ = 469281960.

The previous prime is 469281947. The next prime is 469281979. The reversal of 469281961 is 169182964.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446899600 + 22382361 = 21140^2 + 4731^2 .

It is a cyclic number.

It is not a de Polignac number, because 469281961 - 2¹⁹ = 468757673 is a prime.

It is not a weakly prime, because it can be changed into another prime (469281061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234640980 + 234640981.

It is an arithmetic number, because the mean of its divisors is an integer number (234640981).

Almost surely, 2^469281961 is an apocalyptic number.

It is an amenable number.

469281961 is a deficient number, since it is larger than the sum of its proper divisors (1).

469281961 is an equidigital number, since it uses as much as digits as its factorization.

469281961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 469281961 is about 21662.9167242087. The cubic root of 469281961 is about 777.1018690005.

The spelling of 469281961 in words is "four hundred sixty-nine million, two hundred eighty-one thousand, nine hundred sixty-one".