469069813 has 2 divisors, whose sum is σ = 469069814. Its totient is φ = 469069812.

The previous prime is 469069789. The next prime is 469069859. The reversal of 469069813 is 318960964.

It is an a-pointer prime, because the next prime (469069859) can be obtained adding 469069813 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 226893969 = 15562^2 + 15063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469069813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409069813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234534906 + 234534907.

It is an arithmetic number, because the mean of its divisors is an integer number (234534907).

Almost surely, 2^469069813 is an apocalyptic number.

It is an amenable number.

469069813 is a deficient number, since it is larger than the sum of its proper divisors (1).

469069813 is an equidigital number, since it uses as much as digits as its factorization.

469069813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 469069813 is about 21658.0196001389. The cubic root of 469069813 is about 776.9847500329.

The spelling of 469069813 in words is "four hundred sixty-nine million, sixty-nine thousand, eight hundred thirteen".