469752781 has 2 divisors, whose sum is σ = 469752782. Its totient is φ = 469752780.

The previous prime is 469752757. The next prime is 469752793. The reversal of 469752781 is 187257964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464618025 + 5134756 = 21555^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 469752781 - 2¹³ = 469744589 is a prime.

It is a super-2 number, since 2×469752781² = 441335350514467922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469752581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234876390 + 234876391.

It is an arithmetic number, because the mean of its divisors is an integer number (234876391).

Almost surely, 2^469752781 is an apocalyptic number.

It is an amenable number.

469752781 is a deficient number, since it is larger than the sum of its proper divisors (1).

469752781 is an equidigital number, since it uses as much as digits as its factorization.

469752781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 469752781 is about 21673.7809576456. The cubic root of 469752781 is about 777.3616650595.

The spelling of 469752781 in words is "four hundred sixty-nine million, seven hundred fifty-two thousand, seven hundred eighty-one".