2159432067278 has 8 divisors (see below), whose sum is σ = 3239154444240. Its totient is φ = 1079713919200.

The previous prime is 2159432067277. The next prime is 2159432067283. The reversal of 2159432067278 is 8727602349512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159432067277) 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, 1098503 + ... + 2350653.

It is an arithmetic number, because the mean of its divisors is an integer number (404894305530).

It is a 1-persistent number, because it is pandigital, but 2⋅2159432067278 = 4318864134556 is not.

Almost surely, 2^{2159432067278} is an apocalyptic number.

2159432067278 is a deficient number, since it is larger than the sum of its proper divisors (1079722376962).

2159432067278 is a wasteful number, since it uses less digits than its factorization.

2159432067278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114442.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 2159432067278 in words is "two trillion, one hundred fifty-nine billion, four hundred thirty-two million, sixty-seven thousand, two hundred seventy-eight".