5551556000693 has 2 divisors, whose sum is σ = 5551556000694. Its totient is φ = 5551556000692.

The previous prime is 5551556000681. The next prime is 5551556000831. The reversal of 5551556000693 is 3960006551555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5362850903089 + 188705097604 = 2315783^2 + 434402^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551556000693 - 2¹⁰ = 5551555999669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551556005693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775778000346 + 2775778000347.

It is an arithmetic number, because the mean of its divisors is an integer number (2775778000347).

Almost surely, 2^{5551556000693} is an apocalyptic number.

It is an amenable number.

5551556000693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551556000693 is an equidigital number, since it uses as much as digits as its factorization.

5551556000693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3037500, while the sum is 50.

The spelling of 5551556000693 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-six million, six hundred ninety-three", and thus it is an aban number.