9478499944061 has 4 divisors (see below), whose sum is σ = 9479757547452. Its totient is φ = 9477242340672.

The previous prime is 9478499944049. The next prime is 9478499944079. The reversal of 9478499944061 is 1604499948749.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6371762335225 + 3106737608836 = 2524235^2 + 1762594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9478499944061 is a prime.

It is a super-2 number, since 2×9478499944061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9478499944061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478499944021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628790390 + ... + 628805463.

It is an arithmetic number, because the mean of its divisors is an integer number (2369939386863).

Almost surely, 2^{9478499944061} is an apocalyptic number.

It is an amenable number.

9478499944061 is a deficient number, since it is larger than the sum of its proper divisors (1257603391).

9478499944061 is a wasteful number, since it uses less digits than its factorization.

9478499944061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257603390.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 9478499944061 in words is "nine trillion, four hundred seventy-eight billion, four hundred ninety-nine million, nine hundred forty-four thousand, sixty-one".