3285864469 has 2 divisors, whose sum is σ = 3285864470. Its totient is φ = 3285864468.

The previous prime is 3285864467. The next prime is 3285864509. The reversal of 3285864469 is 9644685823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3210695569 + 75168900 = 56663^2 + 8670^2 .

It is a cyclic number.

It is not a de Polignac number, because 3285864469 - 2¹ = 3285864467 is a prime.

It is a super-2 number, since 2×3285864469² = 21593810617273303922, which contains 22 as substring.

Together with 3285864467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285864467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642932234 + 1642932235.

It is an arithmetic number, because the mean of its divisors is an integer number (1642932235).

Almost surely, 2^3285864469 is an apocalyptic number.

It is an amenable number.

3285864469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285864469 is an equidigital number, since it uses as much as digits as its factorization.

3285864469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 55.

The square root of 3285864469 is about 57322.4604234675. The cubic root of 3285864469 is about 1486.6767471404.

The spelling of 3285864469 in words is "three billion, two hundred eighty-five million, eight hundred sixty-four thousand, four hundred sixty-nine".