1992144011 has 32 divisors (see below), whose sum is σ = 2449294848. Its totient is φ = 1594391040.

The previous prime is 1992143987. The next prime is 1992144043. The reversal of 1992144011 is 1104412991.

It is not a de Polignac number, because 1992144011 - 2²² = 1987949707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1992144061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535315 + ... + 1536611.

It is an arithmetic number, because the mean of its divisors is an integer number (76540464).

Almost surely, 2^1992144011 is an apocalyptic number.

1992144011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1992144011 is a deficient number, since it is larger than the sum of its proper divisors (457150837).

1992144011 is a wasteful number, since it uses less digits than its factorization.

1992144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1992144011 is about 44633.4405014895. The cubic root of 1992144011 is about 1258.2692309065.

The spelling of 1992144011 in words is "one billion, nine hundred ninety-two million, one hundred forty-four thousand, eleven".