2758849871 has 2 divisors, whose sum is σ = 2758849872. Its totient is φ = 2758849870.

The previous prime is 2758849843. The next prime is 2758849897. The reversal of 2758849871 is 1789488572.

2758849871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2758849871 - 2¹⁰ = 2758848847 is a prime.

It is a super-2 number, since 2×2758849871² = 15222505221433433282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2758849871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2758849831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379424935 + 1379424936.

It is an arithmetic number, because the mean of its divisors is an integer number (1379424936).

Almost surely, 2^2758849871 is an apocalyptic number.

2758849871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758849871 is an equidigital number, since it uses as much as digits as its factorization.

2758849871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 59.

The square root of 2758849871 is about 52524.7548399800. The cubic root of 2758849871 is about 1402.5209461339.

The spelling of 2758849871 in words is "two billion, seven hundred fifty-eight million, eight hundred forty-nine thousand, eight hundred seventy-one".