2128308926 has 16 divisors (see below), whose sum is σ = 3235645440. Its totient is φ = 1049854680.

The previous prime is 2128308881. The next prime is 2128308967. The reversal of 2128308926 is 6298038212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22061 + ... + 68871.

It is an arithmetic number, because the mean of its divisors is an integer number (202227840).

Almost surely, 2^2128308926 is an apocalyptic number.

2128308926 is a deficient number, since it is larger than the sum of its proper divisors (1107336514).

2128308926 is a wasteful number, since it uses less digits than its factorization.

2128308926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47119.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2128308926 is about 46133.5986673487. The cubic root of 2128308926 is about 1286.3077575391.

The spelling of 2128308926 in words is "two billion, one hundred twenty-eight million, three hundred eight thousand, nine hundred twenty-six".