3561146506447 has 2 divisors, whose sum is σ = 3561146506448. Its totient is φ = 3561146506446.

The previous prime is 3561146506433. The next prime is 3561146506483. The reversal of 3561146506447 is 7446056411653.

It is a weak prime.

It is an emirp because it is prime and its reverse (7446056411653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3561146506447 - 2³⁵ = 3526786768079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3561146506394 and 3561146506403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3561146506847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780573253223 + 1780573253224.

It is an arithmetic number, because the mean of its divisors is an integer number (1780573253224).

Almost surely, 2^{3561146506447} is an apocalyptic number.

3561146506447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561146506447 is an equidigital number, since it uses as much as digits as its factorization.

3561146506447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 3561146506447 in words is "three trillion, five hundred sixty-one billion, one hundred forty-six million, five hundred six thousand, four hundred forty-seven".