3551886870557 has 2 divisors, whose sum is σ = 3551886870558. Its totient is φ = 3551886870556.

The previous prime is 3551886870533. The next prime is 3551886870563. The reversal of 3551886870557 is 7550786881553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3052449259876 + 499437610681 = 1747126^2 + 706709^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551886870557 - 2¹⁶ = 3551886805021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3551886876557) 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 as a sum of consecutive naturals, namely, 1775943435278 + 1775943435279.

It is an arithmetic number, because the mean of its divisors is an integer number (1775943435279).

Almost surely, 2^{3551886870557} is an apocalyptic number.

It is an amenable number.

3551886870557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551886870557 is an equidigital number, since it uses as much as digits as its factorization.

3551886870557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240000, while the sum is 68.

The spelling of 3551886870557 in words is "three trillion, five hundred fifty-one billion, eight hundred eighty-six million, eight hundred seventy thousand, five hundred fifty-seven".