906246543609 has 12 divisors (see below), whose sum is σ = 1428024856752. Its totient is φ = 549240329400.

The previous prime is 906246543607. The next prime is 906246543641. The reversal of 906246543609 is 906345642609.

906246543609 is a `hidden beast` number, since 9 + 0 + 6 + 24 + 6 + 5 + 4 + 3 + 609 = 666.

It is not a de Polignac number, because 906246543609 - 2¹ = 906246543607 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (906246543607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4577002647 + ... + 4577002844.

It is an arithmetic number, because the mean of its divisors is an integer number (119002071396).

Almost surely, 2^906246543609 is an apocalyptic number.

906246543609 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

906246543609 is a deficient number, since it is larger than the sum of its proper divisors (521778313143).

906246543609 is a wasteful number, since it uses less digits than its factorization.

906246543609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154005508 (or 9154005505 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 906246543609 in words is "nine hundred six billion, two hundred forty-six million, five hundred forty-three thousand, six hundred nine".