2042952015389 has 4 divisors (see below), whose sum is σ = 2043327494460. Its totient is φ = 2042576536320.

The previous prime is 2042952015353. The next prime is 2042952015407. The reversal of 2042952015389 is 9835102592402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526502616025 + 1516449399364 = 725605^2 + 1231442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042952015389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042952015289) 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, 187731374 + ... + 187742255.

It is an arithmetic number, because the mean of its divisors is an integer number (510831873615).

Almost surely, 2^{2042952015389} is an apocalyptic number.

It is an amenable number.

2042952015389 is a deficient number, since it is larger than the sum of its proper divisors (375479071).

2042952015389 is an equidigital number, since it uses as much as digits as its factorization.

2042952015389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375479070.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 2042952015389 in words is "two trillion, forty-two billion, nine hundred fifty-two million, fifteen thousand, three hundred eighty-nine".