2119388145 has 16 divisors (see below), whose sum is σ = 3875452800. Its totient is φ = 968863104.

The previous prime is 2119388101. The next prime is 2119388177. The reversal of 2119388145 is 5418839112.

It is not a de Polignac number, because 2119388145 - 2⁶ = 2119388081 is a prime.

It is a super-2 number, since 2×2119388145² = 8983612218333082050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2119388097 and 2119388106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10092220 + ... + 10092429.

It is an arithmetic number, because the mean of its divisors is an integer number (242215800).

Almost surely, 2^2119388145 is an apocalyptic number.

It is an amenable number.

2119388145 is a deficient number, since it is larger than the sum of its proper divisors (1756064655).

2119388145 is a wasteful number, since it uses less digits than its factorization.

2119388145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184664.

The product of its digits is 69120, while the sum is 42.

The square root of 2119388145 is about 46036.8129326955. The cubic root of 2119388145 is about 1284.5080596100.

The spelling of 2119388145 in words is "two billion, one hundred nineteen million, three hundred eighty-eight thousand, one hundred forty-five".