2119509441 has 24 divisors (see below), whose sum is σ = 3500749824. Its totient is φ = 1210498560.

The previous prime is 2119509437. The next prime is 2119509467. The reversal of 2119509441 is 1449059112.

It is a happy number.

2119509441 is a `hidden beast` number, since 21 + 195 + 0 + 9 + 441 = 666.

It is not a de Polignac number, because 2119509441 - 2² = 2119509437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2119509396 and 2119509405.

It is not an unprimeable number, because it can be changed into a prime (2119509841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125025 + ... + 140961.

It is an arithmetic number, because the mean of its divisors is an integer number (145864576).

Almost surely, 2^2119509441 is an apocalyptic number.

2119509441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2119509441 is a deficient number, since it is larger than the sum of its proper divisors (1381240383).

2119509441 is a wasteful number, since it uses less digits than its factorization.

2119509441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061 (or 18058 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2119509441 is about 46038.1302943549. The cubic root of 2119509441 is about 1284.5325639648.

The spelling of 2119509441 in words is "two billion, one hundred nineteen million, five hundred nine thousand, four hundred forty-one".