469435381 has 2 divisors, whose sum is σ = 469435382. Its totient is φ = 469435380.

The previous prime is 469435357. The next prime is 469435403. The reversal of 469435381 is 183534964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468332881 + 1102500 = 21641^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 469435381 - 2⁹ = 469434869 is a prime.

It is a super-2 number, since 2×469435381² = 440739153869230322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469435481) 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, 234717690 + 234717691.

It is an arithmetic number, because the mean of its divisors is an integer number (234717691).

Almost surely, 2^469435381 is an apocalyptic number.

It is an amenable number.

469435381 is a deficient number, since it is larger than the sum of its proper divisors (1).

469435381 is an equidigital number, since it uses as much as digits as its factorization.

469435381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 469435381 is about 21666.4575092469. The cubic root of 469435381 is about 777.1865444471.

The spelling of 469435381 in words is "four hundred sixty-nine million, four hundred thirty-five thousand, three hundred eighty-one".