2119081446405 has 512 divisors, whose sum is σ = 4893629644800. Its totient is φ = 851824512000.

The previous prime is 2119081446397. The next prime is 2119081446421. The reversal of 2119081446405 is 5046441809112.

2119081446405 is a `hidden beast` number, since 2 + 1 + 1 + 90 + 81 + 446 + 40 + 5 = 666.

It is not a de Polignac number, because 2119081446405 - 2³ = 2119081446397 is a prime.

It is a super-3 number, since 3×2119081446405³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 511 ways as a sum of consecutive naturals, for example, 5447509951 + ... + 5447510339.

It is an arithmetic number, because the mean of its divisors is an integer number (9557870400).

Almost surely, 2^{2119081446405} is an apocalyptic number.

It is an amenable number.

2119081446405 is an abundant number, since it is smaller than the sum of its proper divisors (2774548198395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119081446405 is a wasteful number, since it uses less digits than its factorization.

2119081446405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 2119081446405 in words is "two trillion, one hundred nineteen billion, eighty-one million, four hundred forty-six thousand, four hundred five".