469909083781 has 2 divisors, whose sum is σ = 469909083782. Its totient is φ = 469909083780.

The previous prime is 469909083739. The next prime is 469909083793. The reversal of 469909083781 is 187380909964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341505828225 + 128403255556 = 584385^2 + 358334^2 .

It is a cyclic number.

It is not a de Polignac number, because 469909083781 - 2¹⁵ = 469909051013 is a prime.

It is a super-2 number, since 2×469909083781² (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 (469909023781) 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, 234954541890 + 234954541891.

It is an arithmetic number, because the mean of its divisors is an integer number (234954541891).

Almost surely, 2^469909083781 is an apocalyptic number.

It is an amenable number.

469909083781 is a deficient number, since it is larger than the sum of its proper divisors (1).

469909083781 is an equidigital number, since it uses as much as digits as its factorization.

469909083781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 469909083781 in words is "four hundred sixty-nine billion, nine hundred nine million, eighty-three thousand, seven hundred eighty-one".