2188605537351 has 6 divisors (see below), whose sum is σ = 3161319109520. Its totient is φ = 1459070358228.

The previous prime is 2188605537331. The next prime is 2188605537389. The reversal of 2188605537351 is 1537355068812.

2188605537351 is a `hidden beast` number, since 2 + 1 + 8 + 86 + 0 + 553 + 7 + 3 + 5 + 1 = 666.

It is not a de Polignac number, because 2188605537351 - 2³⁸ = 1913727630407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188605537331) 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 5 ways as a sum of consecutive naturals, for example, 121589196511 + ... + 121589196528.

Almost surely, 2^{2188605537351} is an apocalyptic number.

2188605537351 is a deficient number, since it is larger than the sum of its proper divisors (972713572169).

2188605537351 is a wasteful number, since it uses less digits than its factorization.

2188605537351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243178393045 (or 243178393042 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 2188605537351 in words is "two trillion, one hundred eighty-eight billion, six hundred five million, five hundred thirty-seven thousand, three hundred fifty-one".