2158426316 has 6 divisors (see below), whose sum is σ = 3777246060. Its totient is φ = 1079213156.

The previous prime is 2158426279. The next prime is 2158426343. The reversal of 2158426316 is 6136248512.

It is a self number, because there is not a number n which added to its sum of digits gives 2158426316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269803286 + ... + 269803293.

It is an arithmetic number, because the mean of its divisors is an integer number (629541010).

Almost surely, 2^2158426316 is an apocalyptic number.

It is an amenable number.

2158426316 is a deficient number, since it is larger than the sum of its proper divisors (1618819744).

2158426316 is a wasteful number, since it uses less digits than its factorization.

2158426316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539606583 (or 539606581 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 2158426316 is about 46458.8669254858. The cubic root of 2158426316 is about 1292.3468118801.

The spelling of 2158426316 in words is "two billion, one hundred fifty-eight million, four hundred twenty-six thousand, three hundred sixteen".