3805954947269 has 2 divisors, whose sum is σ = 3805954947270. Its totient is φ = 3805954947268.

The previous prime is 3805954947229. The next prime is 3805954947323. The reversal of 3805954947269 is 9627494595083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2758887780100 + 1047067167169 = 1660990^2 + 1023263^2 .

It is a cyclic number.

It is not a de Polignac number, because 3805954947269 - 2⁸ = 3805954947013 is a prime.

It is a super-2 number, since 2×3805954947269² (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 (3805954947229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902977473634 + 1902977473635.

It is an arithmetic number, because the mean of its divisors is an integer number (1902977473635).

Almost surely, 2^{3805954947269} is an apocalyptic number.

It is an amenable number.

3805954947269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3805954947269 is an equidigital number, since it uses as much as digits as its factorization.

3805954947269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 587865600, while the sum is 71.

The spelling of 3805954947269 in words is "three trillion, eight hundred five billion, nine hundred fifty-four million, nine hundred forty-seven thousand, two hundred sixty-nine".