3818029906469 has 2 divisors, whose sum is σ = 3818029906470. Its totient is φ = 3818029906468.

The previous prime is 3818029906433. The next prime is 3818029906499. The reversal of 3818029906469 is 9646099208183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3769150444900 + 48879461569 = 1941430^2 + 221087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3818029906469 is a prime.

It is a super-2 number, since 2×3818029906469² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3818029906499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909014953234 + 1909014953235.

It is an arithmetic number, because the mean of its divisors is an integer number (1909014953235).

Almost surely, 2^{3818029906469} is an apocalyptic number.

It is an amenable number.

3818029906469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818029906469 is an equidigital number, since it uses as much as digits as its factorization.

3818029906469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40310784, while the sum is 65.

The spelling of 3818029906469 in words is "three trillion, eight hundred eighteen billion, twenty-nine million, nine hundred six thousand, four hundred sixty-nine".