469805731349 has 2 divisors, whose sum is σ = 469805731350. Its totient is φ = 469805731348.

The previous prime is 469805731331. The next prime is 469805731391. The reversal of 469805731349 is 943137508964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256093687249 + 213712044100 = 506057^2 + 462290^2 .

It is a cyclic number.

It is not a de Polignac number, because 469805731349 - 2²⁸ = 469537295893 is a prime.

It is a super-2 number, since 2×469805731349² (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 (469805791349) 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, 234902865674 + 234902865675.

It is an arithmetic number, because the mean of its divisors is an integer number (234902865675).

Almost surely, 2^469805731349 is an apocalyptic number.

It is an amenable number.

469805731349 is a deficient number, since it is larger than the sum of its proper divisors (1).

469805731349 is an equidigital number, since it uses as much as digits as its factorization.

469805731349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 469805731349 in words is "four hundred sixty-nine billion, eight hundred five million, seven hundred thirty-one thousand, three hundred forty-nine".