2142591392968 has 64 divisors (see below), whose sum is σ = 4371942294720. Its totient is φ = 978487776000.

The previous prime is 2142591392947. The next prime is 2142591392987. The reversal of 2142591392968 is 8692931952412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17027323 + ... + 17152693.

It is an arithmetic number, because the mean of its divisors is an integer number (68311598355).

Almost surely, 2^{2142591392968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142591392968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2185971147360).

2142591392968 is an abundant number, since it is smaller than the sum of its proper divisors (2229350901752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142591392968 is a wasteful number, since it uses less digits than its factorization.

2142591392968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127118 (or 127114 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The spelling of 2142591392968 in words is "two trillion, one hundred forty-two billion, five hundred ninety-one million, three hundred ninety-two thousand, nine hundred sixty-eight".