3561552841631 has 2 divisors, whose sum is σ = 3561552841632. Its totient is φ = 3561552841630.

The previous prime is 3561552841619. The next prime is 3561552841703. The reversal of 3561552841631 is 1361482551653.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3561552841631 is a prime.

It is a super-2 number, since 2×3561552841631² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3561552841631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3561552841531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780776420815 + 1780776420816.

It is an arithmetic number, because the mean of its divisors is an integer number (1780776420816).

Almost surely, 2^{3561552841631} is an apocalyptic number.

3561552841631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561552841631 is an equidigital number, since it uses as much as digits as its factorization.

3561552841631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 50.

The spelling of 3561552841631 in words is "three trillion, five hundred sixty-one billion, five hundred fifty-two million, eight hundred forty-one thousand, six hundred thirty-one".