3561552393797 has 2 divisors, whose sum is σ = 3561552393798. Its totient is φ = 3561552393796.

The previous prime is 3561552393781. The next prime is 3561552393911. The reversal of 3561552393797 is 7973932551653.

3561552393797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2984156055841 + 577396337956 = 1727471^2 + 759866^2 .

It is a cyclic number.

It is not a de Polignac number, because 3561552393797 - 2⁴ = 3561552393781 is a prime.

It is a super-2 number, since 2×3561552393797² (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 (3561552393097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780776196898 + 1780776196899.

It is an arithmetic number, because the mean of its divisors is an integer number (1780776196899).

Almost surely, 2^{3561552393797} is an apocalyptic number.

It is an amenable number.

3561552393797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561552393797 is an equidigital number, since it uses as much as digits as its factorization.

3561552393797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160744500, while the sum is 65.

The spelling of 3561552393797 in words is "three trillion, five hundred sixty-one billion, five hundred fifty-two million, three hundred ninety-three thousand, seven hundred ninety-seven".