61847687241 has 8 divisors (see below), whose sum is σ = 91626203360. Its totient is φ = 41231791476.

The previous prime is 61847687219. The next prime is 61847687261. The reversal of 61847687241 is 14278674816.

61847687241 is a `hidden beast` number, since 61 + 8 + 476 + 8 + 72 + 41 = 666.

It is not a de Polignac number, because 61847687241 - 2⁹ = 61847686729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61847687261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145327515 + ... + 1145327568.

It is an arithmetic number, because the mean of its divisors is an integer number (11453275420).

Almost surely, 2^61847687241 is an apocalyptic number.

It is an amenable number.

61847687241 is a deficient number, since it is larger than the sum of its proper divisors (29778516119).

61847687241 is a wasteful number, since it uses less digits than its factorization.

61847687241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290655092 (or 2290655086 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 61847687241 in words is "sixty-one billion, eight hundred forty-seven million, six hundred eighty-seven thousand, two hundred forty-one".