9946906523845 has 8 divisors (see below), whose sum is σ = 12016397143800. Its totient is φ = 7904119008960.

The previous prime is 9946906523843. The next prime is 9946906523927. The reversal of 9946906523845 is 5483256096499.

9946906523845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 254001888196 + 9692904635649 = 503986^2 + 3113343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9946906523845 - 2¹ = 9946906523843 is a prime.

It is a super-2 number, since 2×9946906523845² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946906523843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675775446 + ... + 6675776935.

It is an arithmetic number, because the mean of its divisors is an integer number (1502049642975).

Almost surely, 2^{9946906523845} is an apocalyptic number.

It is an amenable number.

9946906523845 is a deficient number, since it is larger than the sum of its proper divisors (2069490619955).

9946906523845 is a wasteful number, since it uses less digits than its factorization.

9946906523845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13351552535.

The product of its (nonzero) digits is 503884800, while the sum is 70.

The spelling of 9946906523845 in words is "nine trillion, nine hundred forty-six billion, nine hundred six million, five hundred twenty-three thousand, eight hundred forty-five".