2119381929 has 40 divisors (see below), whose sum is σ = 3735024128. Its totient is φ = 1171998720.

The previous prime is 2119381889. The next prime is 2119381931. The reversal of 2119381929 is 9291839112.

It is not a de Polignac number, because 2119381929 - 2¹⁵ = 2119349161 is a prime.

It is a super-2 number, since 2×2119381929² = 8983559521943522082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119389929) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42712 + ... + 77865.

Almost surely, 2^2119381929 is an apocalyptic number.

It is an amenable number.

2119381929 is a deficient number, since it is larger than the sum of its proper divisors (1615642199).

2119381929 is a wasteful number, since it uses less digits than its factorization.

2119381929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120627 (or 120618 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 2119381929 is about 46036.7454214565. The cubic root of 2119381929 is about 1284.5068038215.

The spelling of 2119381929 in words is "two billion, one hundred nineteen million, three hundred eighty-one thousand, nine hundred twenty-nine".