3561552783673 has 4 divisors (see below), whose sum is σ = 3611715499008. Its totient is φ = 3511390068340.

The previous prime is 3561552783661. The next prime is 3561552783697. The reversal of 3561552783673 is 3763872551653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3561552783673 - 2¹³ = 3561552775481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561552783643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25081357561 + ... + 25081357702.

It is an arithmetic number, because the mean of its divisors is an integer number (902928874752).

Almost surely, 2^{3561552783673} is an apocalyptic number.

It is an amenable number.

3561552783673 is a deficient number, since it is larger than the sum of its proper divisors (50162715335).

3561552783673 is an equidigital number, since it uses as much as digits as its factorization.

3561552783673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50162715334.

The product of its digits is 95256000, while the sum is 61.

The spelling of 3561552783673 in words is "three trillion, five hundred sixty-one billion, five hundred fifty-two million, seven hundred eighty-three thousand, six hundred seventy-three".