2991916383 has 16 divisors (see below), whose sum is σ = 4166727936. Its totient is φ = 1906027200.

The previous prime is 2991916381. The next prime is 2991916387. The reversal of 2991916383 is 3836191992.

It is a happy number.

2991916383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2991916383 - 2¹ = 2991916381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991916381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51891 + ... + 93147.

It is an arithmetic number, because the mean of its divisors is an integer number (260420496).

Almost surely, 2^2991916383 is an apocalyptic number.

2991916383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2991916383 is a deficient number, since it is larger than the sum of its proper divisors (1174811553).

2991916383 is a wasteful number, since it uses less digits than its factorization.

2991916383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42334.

The product of its digits is 629856, while the sum is 51.

The square root of 2991916383 is about 54698.4129842905. The cubic root of 2991916383 is about 1440.9530058230.

The spelling of 2991916383 in words is "two billion, nine hundred ninety-one million, nine hundred sixteen thousand, three hundred eighty-three".