3561136426273 has 2 divisors, whose sum is σ = 3561136426274. Its totient is φ = 3561136426272.

The previous prime is 3561136426241. The next prime is 3561136426291. The reversal of 3561136426273 is 3726246311653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2712585942049 + 848550484224 = 1646993^2 + 921168^2 .

It is a cyclic number.

It is not a de Polignac number, because 3561136426273 - 2⁵ = 3561136426241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3561136426973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780568213136 + 1780568213137.

It is an arithmetic number, because the mean of its divisors is an integer number (1780568213137).

Almost surely, 2^{3561136426273} is an apocalyptic number.

It is an amenable number.

3561136426273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561136426273 is an equidigital number, since it uses as much as digits as its factorization.

3561136426273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 49.

The spelling of 3561136426273 in words is "three trillion, five hundred sixty-one billion, one hundred thirty-six million, four hundred twenty-six thousand, two hundred seventy-three".