61384331694 has 32 divisors (see below), whose sum is σ = 140534505216. Its totient is φ = 17509947840.

The previous prime is 61384331693. The next prime is 61384331711. The reversal of 61384331694 is 49613348316.

61384331694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61384331693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158472 + ... + 1210299.

It is an arithmetic number, because the mean of its divisors is an integer number (4391703288).

Almost surely, 2^61384331694 is an apocalyptic number.

61384331694 is an abundant number, since it is smaller than the sum of its proper divisors (79150173522).

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

61384331694 is a wasteful number, since it uses less digits than its factorization.

61384331694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369400.

The product of its digits is 1119744, while the sum is 48.

The spelling of 61384331694 in words is "sixty-one billion, three hundred eighty-four million, three hundred thirty-one thousand, six hundred ninety-four".