61438714684236 has 48 divisors (see below), whose sum is σ = 166211015577600. Its totient is φ = 19589155405776.

The previous prime is 61438714684229. The next prime is 61438714684261. The reversal of 61438714684236 is 63248641783416.

61438714684236 is a `hidden beast` number, since 6 + 1 + 4 + 38 + 71 + 468 + 42 + 36 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12366888556 + ... + 12366893523.

It is an arithmetic number, because the mean of its divisors is an integer number (3462729491200).

Almost surely, 2^{61438714684236} is an apocalyptic number.

It is an amenable number.

61438714684236 is an abundant number, since it is smaller than the sum of its proper divisors (104772300893364).

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

61438714684236 is a wasteful number, since it uses less digits than its factorization.

61438714684236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24733782115 (or 24733782107 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 63.

The spelling of 61438714684236 in words is "sixty-one trillion, four hundred thirty-eight billion, seven hundred fourteen million, six hundred eighty-four thousand, two hundred thirty-six".