61463688496 has 40 divisors (see below), whose sum is σ = 144103946400. Its totient is φ = 24792075264.

The previous prime is 61463688469. The next prime is 61463688521. The reversal of 61463688496 is 69488636416.

61463688496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16138771 + ... + 16142578.

It is an arithmetic number, because the mean of its divisors is an integer number (3602598660).

Almost surely, 2^61463688496 is an apocalyptic number.

It is an amenable number.

61463688496 is an abundant number, since it is smaller than the sum of its proper divisors (82640257904).

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

61463688496 is a wasteful number, since it uses less digits than its factorization.

61463688496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32281381 (or 32281375 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 61.

The spelling of 61463688496 in words is "sixty-one billion, four hundred sixty-three million, six hundred eighty-eight thousand, four hundred ninety-six".