9012262173849 has 27 divisors (see below), whose sum is σ = 14308882082677. Its totient is φ = 5461917034200.

The previous prime is 9012262173787. The next prime is 9012262173851. The reversal of 9012262173849 is 9483712622109.

The square root of 9012262173849 is 3002043.

It is a perfect power (a square), and thus also a powerful number.

9012262173849 is a `hidden beast` number, since 9 + 0 + 1 + 2 + 2 + 621 + 7 + 3 + 8 + 4 + 9 = 666.

9012262173849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9012262173849 - 2¹³ = 9012262165657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9012262173795 and 9012262173804.

It is not an unprimeable number, because it can be changed into a prime (9012262173899) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99021934 + ... + 99112904.

Almost surely, 2^{9012262173849} is an apocalyptic number.

9012262173849 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9012262173849 is the 3002043-rd square number.

9012262173849 is the 1501022-nd centered octagonal number.

It is an amenable number.

9012262173849 is a deficient number, since it is larger than the sum of its proper divisors (5296619908828).

9012262173849 is an frugal number, since it uses more digits than its factorization.

9012262173849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181970 (or 90985 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 9012262173849 in words is "nine trillion, twelve billion, two hundred sixty-two million, one hundred seventy-three thousand, eight hundred forty-nine".