1948708771 has 2 divisors, whose sum is σ = 1948708772. Its totient is φ = 1948708770.

The previous prime is 1948708747. The next prime is 1948708829. The reversal of 1948708771 is 1778078491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1948708771 - 2⁹ = 1948708259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1948708171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974354385 + 974354386.

It is an arithmetic number, because the mean of its divisors is an integer number (974354386).

Almost surely, 2^1948708771 is an apocalyptic number.

1948708771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948708771 is an equidigital number, since it uses as much as digits as its factorization.

1948708771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 52.

The square root of 1948708771 is about 44144.1816211378. The cubic root of 1948708771 is about 1249.0571601679.

The spelling of 1948708771 in words is "one billion, nine hundred forty-eight million, seven hundred eight thousand, seven hundred seventy-one".