2319845649 has 8 divisors (see below), whose sum is σ = 3374320992. Its totient is φ = 1405967040.

The previous prime is 2319845623. The next prime is 2319845651. The reversal of 2319845649 is 9465489132.

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

It is not a de Polignac number, because 2319845649 - 2⁸ = 2319845393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2319145649) 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, 35149144 + ... + 35149209.

It is an arithmetic number, because the mean of its divisors is an integer number (421790124).

Almost surely, 2^2319845649 is an apocalyptic number.

It is an amenable number.

2319845649 is a deficient number, since it is larger than the sum of its proper divisors (1054475343).

2319845649 is a wasteful number, since it uses less digits than its factorization.

2319845649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70298367.

The product of its digits is 1866240, while the sum is 51.

The square root of 2319845649 is about 48164.7760194107. The cubic root of 2319845649 is about 1323.7918307466.

The spelling of 2319845649 in words is "two billion, three hundred nineteen million, eight hundred forty-five thousand, six hundred forty-nine".