2399129954 has 16 divisors (see below), whose sum is σ = 4044019392. Its totient is φ = 1059147408.

The previous prime is 2399129933. The next prime is 2399129969. The reversal of 2399129954 is 4599219932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2399129896 and 2399129905.

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 7 ways as a sum of consecutive naturals, for example, 2005364 + ... + 2006559.

It is an arithmetic number, because the mean of its divisors is an integer number (252751212).

Almost surely, 2^2399129954 is an apocalyptic number.

2399129954 is a deficient number, since it is larger than the sum of its proper divisors (1644889438).

2399129954 is a wasteful number, since it uses less digits than its factorization.

2399129954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011961.

The product of its digits is 1574640, while the sum is 53.

The square root of 2399129954 is about 48980.9141809338. The cubic root of 2399129954 is about 1338.7040924265.

The spelling of 2399129954 in words is "two billion, three hundred ninety-nine million, one hundred twenty-nine thousand, nine hundred fifty-four".