2309819955 has 8 divisors (see below), whose sum is σ = 3695711952. Its totient is φ = 1231903968.

The previous prime is 2309819929. The next prime is 2309819957. The reversal of 2309819955 is 5599189032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2309819955 - 2⁶ = 2309819891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2309819898 and 2309819907.

It is not an unprimeable number, because it can be changed into a prime (2309819957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76993984 + ... + 76994013.

It is an arithmetic number, because the mean of its divisors is an integer number (461963994).

Almost surely, 2^2309819955 is an apocalyptic number.

2309819955 is a deficient number, since it is larger than the sum of its proper divisors (1385891997).

2309819955 is a wasteful number, since it uses less digits than its factorization.

2309819955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153988005.

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 2309819955 is about 48060.5862948009. The cubic root of 2309819955 is about 1321.8820633170.

The spelling of 2309819955 in words is "two billion, three hundred nine million, eight hundred nineteen thousand, nine hundred fifty-five".