50026390138999 has 8 divisors (see below), whose sum is σ = 50043263463648. Its totient is φ = 50009518316160.

The previous prime is 50026390138979. The next prime is 50026390139069. The reversal of 50026390138999 is 99983109362005.

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 50026390138999 - 2¹⁹ = 50026389614711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50026390138999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50026390138909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68370939 + ... + 69098755.

It is an arithmetic number, because the mean of its divisors is an integer number (6255407932956).

Almost surely, 2^{50026390138999} is an apocalyptic number.

50026390138999 is a deficient number, since it is larger than the sum of its proper divisors (16873324649).

50026390138999 is a wasteful number, since it uses less digits than its factorization.

50026390138999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750905.

The product of its (nonzero) digits is 28343520, while the sum is 64.

The spelling of 50026390138999 in words is "fifty trillion, twenty-six billion, three hundred ninety million, one hundred thirty-eight thousand, nine hundred ninety-nine".