2159079556 has 12 divisors (see below), whose sum is σ = 3834783568. Its totient is φ = 1063427112.

The previous prime is 2159079553. The next prime is 2159079589. The reversal of 2159079556 is 6559709512.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2159079553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027866 + ... + 4028401.

Almost surely, 2^2159079556 is an apocalyptic number.

It is an amenable number.

2159079556 is a deficient number, since it is larger than the sum of its proper divisors (1675704012).

2159079556 is a wasteful number, since it uses less digits than its factorization.

2159079556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056338 (or 8056336 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 49.

The square root of 2159079556 is about 46465.8966985466. The cubic root of 2159079556 is about 1292.4771734424.

The spelling of 2159079556 in words is "two billion, one hundred fifty-nine million, seventy-nine thousand, five hundred fifty-six".