2148599475 has 36 divisors (see below), whose sum is σ = 4198237992. Its totient is φ = 1041744000.

The previous prime is 2148599459. The next prime is 2148599507. The reversal of 2148599475 is 5749958412.

It is a happy number.

2148599475 is a `hidden beast` number, since 2 + 1 + 4 + 8 + 599 + 47 + 5 = 666.

It is not a de Polignac number, because 2148599475 - 2⁴ = 2148599459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 431586 + ... + 436535.

It is an arithmetic number, because the mean of its divisors is an integer number (116617722).

Almost surely, 2^2148599475 is an apocalyptic number.

2148599475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2148599475 is a deficient number, since it is larger than the sum of its proper divisors (2049638517).

2148599475 is a wasteful number, since it uses less digits than its factorization.

2148599475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868148 (or 868140 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 2148599475 is about 46352.9877677804. The cubic root of 2148599475 is about 1290.3825708649.

The spelling of 2148599475 in words is "two billion, one hundred forty-eight million, five hundred ninety-nine thousand, four hundred seventy-five".