1960869091 has 2 divisors, whose sum is σ = 1960869092. Its totient is φ = 1960869090.

The previous prime is 1960869067. The next prime is 1960869121. The reversal of 1960869091 is 1909680691.

It is a weak prime.

It is an emirp because it is prime and its reverse (1909680691) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1606980961 and 1690896061.

It is a cyclic number.

It is not a de Polignac number, because 1960869091 - 2¹⁷ = 1960738019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1960869041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980434545 + 980434546.

It is an arithmetic number, because the mean of its divisors is an integer number (980434546).

Almost surely, 2^1960869091 is an apocalyptic number.

1960869091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960869091 is an equidigital number, since it uses as much as digits as its factorization.

1960869091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1960869091 is about 44281.7015368651. The cubic root of 1960869091 is about 1251.6498940682.

The spelling of 1960869091 in words is "one billion, nine hundred sixty million, eight hundred sixty-nine thousand, ninety-one".