1968755099 has 8 divisors (see below), whose sum is σ = 2036352000. Its totient is φ = 1901413800.

The previous prime is 1968755093. The next prime is 1968755101. The reversal of 1968755099 is 9905578691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968755099 - 2⁴ = 1968755083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968755093) 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 in 7 ways as a sum of consecutive naturals, for example, 48167 + ... + 79104.

It is an arithmetic number, because the mean of its divisors is an integer number (254544000).

Almost surely, 2^1968755099 is an apocalyptic number.

1968755099 is a deficient number, since it is larger than the sum of its proper divisors (67596901).

1968755099 is a wasteful number, since it uses less digits than its factorization.

1968755099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127801.

The product of its (nonzero) digits is 6123600, while the sum is 59.

The square root of 1968755099 is about 44370.6558324305. The cubic root of 1968755099 is about 1253.3255657638.

The spelling of 1968755099 in words is "one billion, nine hundred sixty-eight million, seven hundred fifty-five thousand, ninety-nine".