9649612844442 has 24 divisors (see below), whose sum is σ = 21628442583540. Its totient is φ = 3105622524480.

The previous prime is 9649612844423. The next prime is 9649612844461. The reversal of 9649612844442 is 2444482169469.

9649612844442 is a `hidden beast` number, since 9 + 6 + 4 + 9 + 612 + 8 + 4 + 4 + 4 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (9649612844423) and next prime (9649612844461).

It can be written as a sum of positive squares in 2 ways, for example, as 8945488791801 + 704124052641 = 2990901^2 + 839121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9649612844442.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9242923659 + ... + 9242924702.

Almost surely, 2^{9649612844442} is an apocalyptic number.

9649612844442 is an abundant number, since it is smaller than the sum of its proper divisors (11978829739098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9649612844442 is a wasteful number, since it uses less digits than its factorization.

9649612844442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485848398 (or 18485848395 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 63.

The spelling of 9649612844442 in words is "nine trillion, six hundred forty-nine billion, six hundred twelve million, eight hundred forty-four thousand, four hundred forty-two".