544671947961 has 12 divisors (see below), whose sum is σ = 813877623780. Its totient is φ = 350593437600.

The previous prime is 544671947927. The next prime is 544671947987. The reversal of 544671947961 is 169749176445.

544671947961 is a `hidden beast` number, since 5 + 44 + 67 + 1 + 9 + 479 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 307825232400 + 236846715561 = 554820^2 + 486669^2 .

It is not a de Polignac number, because 544671947961 - 2¹⁴ = 544671931577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544671847961) 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, 1043432590 + ... + 1043433111.

It is an arithmetic number, because the mean of its divisors is an integer number (67823135315).

Almost surely, 2^544671947961 is an apocalyptic number.

It is an amenable number.

544671947961 is a deficient number, since it is larger than the sum of its proper divisors (269205675819).

544671947961 is a wasteful number, since it uses less digits than its factorization.

544671947961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086865736 (or 2086865733 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 544671947961 in words is "five hundred forty-four billion, six hundred seventy-one million, nine hundred forty-seven thousand, nine hundred sixty-one".