2159431214 has 8 divisors (see below), whose sum is σ = 3318150528. Its totient is φ = 1053381040.

The previous prime is 2159431189. The next prime is 2159431229. The reversal of 2159431214 is 4121349512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13167182 + ... + 13167345.

It is an arithmetic number, because the mean of its divisors is an integer number (414768816).

Almost surely, 2^2159431214 is an apocalyptic number.

2159431214 is a deficient number, since it is larger than the sum of its proper divisors (1158719314).

2159431214 is a wasteful number, since it uses less digits than its factorization.

2159431214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26334570.

The product of its digits is 8640, while the sum is 32.

The square root of 2159431214 is about 46469.6805885300. The cubic root of 2159431214 is about 1292.5473399574.

The spelling of 2159431214 in words is "two billion, one hundred fifty-nine million, four hundred thirty-one thousand, two hundred fourteen".