2142591392969 has 8 divisors (see below), whose sum is σ = 2255374968000. Its totient is φ = 2029809378672.

The previous prime is 2142591392947. The next prime is 2142591392987. The reversal of 2142591392969 is 9692931952412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142591392969 - 2⁸ = 2142591392713 is a prime.

It is a super-2 number, since 2×2142591392969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142591392999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344252 + ... + 3933090.

It is an arithmetic number, because the mean of its divisors is an integer number (281921871000).

Almost surely, 2^{2142591392969} is an apocalyptic number.

It is an amenable number.

2142591392969 is a deficient number, since it is larger than the sum of its proper divisors (112783575031).

2142591392969 is a wasteful number, since it uses less digits than its factorization.

2142591392969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780367.

The product of its digits is 18895680, while the sum is 62.

The spelling of 2142591392969 in words is "two trillion, one hundred forty-two billion, five hundred ninety-one million, three hundred ninety-two thousand, nine hundred sixty-nine".