2164424072475 has 48 divisors (see below), whose sum is σ = 4105281388032. Its totient is φ = 985688770560.

The previous prime is 2164424072471. The next prime is 2164424072519. The reversal of 2164424072475 is 5742704244612.

It is a happy number.

It is not a de Polignac number, because 2164424072475 - 2² = 2164424072471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164424072471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7699782 + ... + 7975931.

It is an arithmetic number, because the mean of its divisors is an integer number (85526695584).

Almost surely, 2^{2164424072475} is an apocalyptic number.

2164424072475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2164424072475 is a deficient number, since it is larger than the sum of its proper divisors (1940857315557).

2164424072475 is a wasteful number, since it uses less digits than its factorization.

2164424072475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675996 (or 15675991 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 48.

The spelling of 2164424072475 in words is "two trillion, one hundred sixty-four billion, four hundred twenty-four million, seventy-two thousand, four hundred seventy-five".