2159109376 has 18 divisors (see below), whose sum is σ = 4309785242. Its totient is φ = 1079554560.

The previous prime is 2159109353. The next prime is 2159109377. The reversal of 2159109376 is 6739019512.

It can be written as a sum of positive squares in only one way, i.e., 2028601600 + 130507776 = 45040^2 + 11424^2 .

It is a super-2 number, since 2×2159109376² = 9323506595062218752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159109377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4216755 + ... + 4217266.

Almost surely, 2^2159109376 is an apocalyptic number.

It is an amenable number.

2159109376 is a deficient number, since it is larger than the sum of its proper divisors (2150675866).

2159109376 is an frugal number, since it uses more digits than its factorization.

2159109376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434037 (or 8434023 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 2159109376 is about 46466.2175779350. The cubic root of 2159109376 is about 1292.4831237391.

The spelling of 2159109376 in words is "two billion, one hundred fifty-nine million, one hundred nine thousand, three hundred seventy-six".