2142015345439 has 16 divisors (see below), whose sum is σ = 2189478582720. Its totient is φ = 2095188480000.

The previous prime is 2142015345413. The next prime is 2142015345511. The reversal of 2142015345439 is 9345435102412.

It is a cyclic number.

It is not a de Polignac number, because 2142015345439 - 2⁷ = 2142015345311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142015345395 and 2142015345404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142015345139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908119 + ... + 3569479.

It is an arithmetic number, because the mean of its divisors is an integer number (136842411420).

Almost surely, 2^{2142015345439} is an apocalyptic number.

2142015345439 is a deficient number, since it is larger than the sum of its proper divisors (47463237281).

2142015345439 is a wasteful number, since it uses less digits than its factorization.

2142015345439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661842.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2142015345439 in words is "two trillion, one hundred forty-two billion, fifteen million, three hundred forty-five thousand, four hundred thirty-nine".