2150489894481 has 6 divisors (see below), whose sum is σ = 3106263180930. Its totient is φ = 1433659929648.

The previous prime is 2150489894471. The next prime is 2150489894489. The reversal of 2150489894481 is 1844989840512.

2150489894481 is a `hidden beast` number, since 2 + 1 + 504 + 8 + 9 + 8 + 9 + 44 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2002745753856 + 147744140625 = 1415184^2 + 384375^2 .

It is not a de Polignac number, because 2150489894481 - 2¹³ = 2150489886289 is a prime.

It is a super-2 number, since 2×2150489894481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2150489894489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119471660796 + ... + 119471660813.

It is an arithmetic number, because the mean of its divisors is an integer number (517710530155).

Almost surely, 2^{2150489894481} is an apocalyptic number.

It is an amenable number.

2150489894481 is a deficient number, since it is larger than the sum of its proper divisors (955773286449).

2150489894481 is a wasteful number, since it uses less digits than its factorization.

2150489894481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238943321615 (or 238943321612 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 2150489894481 in words is "two trillion, one hundred fifty billion, four hundred eighty-nine million, eight hundred ninety-four thousand, four hundred eighty-one".