1920935011 has 4 divisors (see below), whose sum is σ = 1925498224. Its totient is φ = 1916371800.

The previous prime is 1920934997. The next prime is 1920935041. The reversal of 1920935011 is 1105390291.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1920935011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920935041) 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 3 ways as a sum of consecutive naturals, for example, 2280975 + ... + 2281816.

It is an arithmetic number, because the mean of its divisors is an integer number (481374556).

Almost surely, 2^1920935011 is an apocalyptic number.

1920935011 is a deficient number, since it is larger than the sum of its proper divisors (4563213).

1920935011 is an equidigital number, since it uses as much as digits as its factorization.

1920935011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563212.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1920935011 is about 43828.4726062864. The cubic root of 1920935011 is about 1243.0947263460.

The spelling of 1920935011 in words is "one billion, nine hundred twenty million, nine hundred thirty-five thousand, eleven".