2919671316 has 18 divisors (see below), whose sum is σ = 7380280362. Its totient is φ = 973223760.

The previous prime is 2919671311. The next prime is 2919671323. The reversal of 2919671316 is 6131769192.

It can be written as a sum of positive squares in only one way, i.e., 1896950916 + 1022720400 = 43554^2 + 31980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919671311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40550955 + ... + 40551026.

Almost surely, 2^2919671316 is an apocalyptic number.

It is an amenable number.

2919671316 is an abundant number, since it is smaller than the sum of its proper divisors (4460609046).

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

2919671316 is a wasteful number, since it uses less digits than its factorization.

2919671316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81101991 (or 81101986 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 2919671316 is about 54033.9829736806. The cubic root of 2919671316 is about 1429.2602684573.

The spelling of 2919671316 in words is "two billion, nine hundred nineteen million, six hundred seventy-one thousand, three hundred sixteen".