2319111648 has 120 divisors (see below), whose sum is σ = 7794852912. Its totient is φ = 662598144.

The previous prime is 2319111637. The next prime is 2319111667. The reversal of 2319111648 is 8461119132.

2319111648 is a `hidden beast` number, since 2 + 3 + 1 + 9 + 1 + 1 + 1 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45765 + ... + 82052.

Almost surely, 2^2319111648 is an apocalyptic number.

2319111648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2319111648 is an abundant number, since it is smaller than the sum of its proper divisors (5475741264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2319111648 is a wasteful number, since it uses less digits than its factorization.

2319111648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127846 (or 127829 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 2319111648 is about 48157.1557299640. The cubic root of 2319111648 is about 1323.6521997580.

The spelling of 2319111648 in words is "two billion, three hundred nineteen million, one hundred eleven thousand, six hundred forty-eight".