19143925142026 has 8 divisors (see below), whose sum is σ = 28908611792100. Its totient is φ = 9507721211328.

The previous prime is 19143925142021. The next prime is 19143925142113. The reversal of 19143925142026 is 62024152934191.

It can be written as a sum of positive squares in 2 ways, for example, as 18994735307025 + 149189835001 = 4358295^2 + 386251^2 .

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

It is not an unprimeable number, because it can be changed into a prime (19143925142021) 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, 32120679471 + ... + 32120680066.

Almost surely, 2^{19143925142026} is an apocalyptic number.

19143925142026 is a deficient number, since it is larger than the sum of its proper divisors (9764686650074).

19143925142026 is a wasteful number, since it uses less digits than its factorization.

19143925142026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64241359688.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 19143925142026 in words is "nineteen trillion, one hundred forty-three billion, nine hundred twenty-five million, one hundred forty-two thousand, twenty-six".