3561130765369 has 2 divisors, whose sum is σ = 3561130765370. Its totient is φ = 3561130765368.

The previous prime is 3561130765331. The next prime is 3561130765393. The reversal of 3561130765369 is 9635670311653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2684076039225 + 877054726144 = 1638315^2 + 936512^2 .

It is a cyclic number.

It is not a de Polignac number, because 3561130765369 - 2⁹ = 3561130764857 is a prime.

It is a super-2 number, since 2×3561130765369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3561130762369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780565382684 + 1780565382685.

It is an arithmetic number, because the mean of its divisors is an integer number (1780565382685).

Almost surely, 2^{3561130765369} is an apocalyptic number.

It is an amenable number.

3561130765369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561130765369 is an equidigital number, since it uses as much as digits as its factorization.

3561130765369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 3561130765369 in words is "three trillion, five hundred sixty-one billion, one hundred thirty million, seven hundred sixty-five thousand, three hundred sixty-nine".