61381905330484 has 12 divisors (see below), whose sum is σ = 108625281905700. Its totient is φ = 30346110500288.

The previous prime is 61381905330457. The next prime is 61381905330541. The reversal of 61381905330484 is 48403350918316.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42657487812900 + 18724417517584 = 6531270^2 + 4327172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86210540839 + ... + 86210541550.

It is an arithmetic number, because the mean of its divisors is an integer number (9052106825475).

Almost surely, 2^{61381905330484} is an apocalyptic number.

It is an amenable number.

61381905330484 is a deficient number, since it is larger than the sum of its proper divisors (47243376575216).

61381905330484 is a wasteful number, since it uses less digits than its factorization.

61381905330484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172421082482 (or 172421082480 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 61381905330484 in words is "sixty-one trillion, three hundred eighty-one billion, nine hundred five million, three hundred thirty thousand, four hundred eighty-four".