2758189117 has 2 divisors, whose sum is σ = 2758189118. Its totient is φ = 2758189116.

The previous prime is 2758189099. The next prime is 2758189129. The reversal of 2758189117 is 7119818572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1963287481 + 794901636 = 44309^2 + 28194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2758189117 - 2¹⁹ = 2757664829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2758189717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379094558 + 1379094559.

It is an arithmetic number, because the mean of its divisors is an integer number (1379094559).

Almost surely, 2^2758189117 is an apocalyptic number.

It is an amenable number.

2758189117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758189117 is an equidigital number, since it uses as much as digits as its factorization.

2758189117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 49.

The square root of 2758189117 is about 52518.4645339142. The cubic root of 2758189117 is about 1402.4089676691.

The spelling of 2758189117 in words is "two billion, seven hundred fifty-eight million, one hundred eighty-nine thousand, one hundred seventeen".