3647241867469 has 2 divisors, whose sum is σ = 3647241867470. Its totient is φ = 3647241867468.

The previous prime is 3647241867419. The next prime is 3647241867517. The reversal of 3647241867469 is 9647681427463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962204219369 + 1685037648100 = 1400787^2 + 1298090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3647241867469 - 2²⁵ = 3647208313037 is a prime.

It is a super-2 number, since 2×3647241867469² (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 (3647241867419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823620933734 + 1823620933735.

It is an arithmetic number, because the mean of its divisors is an integer number (1823620933735).

Almost surely, 2^{3647241867469} is an apocalyptic number.

It is an amenable number.

3647241867469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3647241867469 is an equidigital number, since it uses as much as digits as its factorization.

3647241867469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 67.

The spelling of 3647241867469 in words is "three trillion, six hundred forty-seven billion, two hundred forty-one million, eight hundred sixty-seven thousand, four hundred sixty-nine".