1889513313271 has 2 divisors, whose sum is σ = 1889513313272. Its totient is φ = 1889513313270.

The previous prime is 1889513313187. The next prime is 1889513313277. The reversal of 1889513313271 is 1723133159881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1889513313271 - 2⁷ = 1889513313143 is a prime.

It is a super-2 number, since 2×1889513313271² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1889513313277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944756656635 + 944756656636.

It is an arithmetic number, because the mean of its divisors is an integer number (944756656636).

Almost surely, 2^{1889513313271} is an apocalyptic number.

1889513313271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1889513313271 is an equidigital number, since it uses as much as digits as its factorization.

1889513313271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The spelling of 1889513313271 in words is "one trillion, eight hundred eighty-nine billion, five hundred thirteen million, three hundred thirteen thousand, two hundred seventy-one".