2159025536 has 16 divisors (see below), whose sum is σ = 4301183940. Its totient is φ = 1079512704.

The previous prime is 2159025529. The next prime is 2159025569. The reversal of 2159025536 is 6355209512.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2159025536² = 9322782530200174592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2159025536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8433566 + ... + 8433821.

Almost surely, 2^2159025536 is an apocalyptic number.

It is an amenable number.

2159025536 is a deficient number, since it is larger than the sum of its proper divisors (2142158404).

2159025536 is an equidigital number, since it uses as much as digits as its factorization.

2159025536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867401 (or 16867389 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 2159025536 is about 46465.3154083775. The cubic root of 2159025536 is about 1292.4663941269.

The spelling of 2159025536 in words is "two billion, one hundred fifty-nine million, twenty-five thousand, five hundred thirty-six".