13333445577890 has 8 divisors (see below), whose sum is σ = 24000202040220. Its totient is φ = 5333378231152.

The previous prime is 13333445577883. The next prime is 13333445577899. The reversal of 13333445577890 is 9877554433331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13258912755841 + 74532822049 = 3641279^2 + 273007^2 .

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 (13333445577899) 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, 666672278885 + ... + 666672278904.

Almost surely, 2^{13333445577890} is an apocalyptic number.

13333445577890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13333445577890 is a deficient number, since it is larger than the sum of its proper divisors (10666756462330).

13333445577890 is a wasteful number, since it uses less digits than its factorization.

13333445577890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333344557796.

The product of its (nonzero) digits is 114307200, while the sum is 62.

The spelling of 13333445577890 in words is "thirteen trillion, three hundred thirty-three billion, four hundred forty-five million, five hundred seventy-seven thousand, eight hundred ninety".