61549795442 has 8 divisors (see below), whose sum is σ = 97183887600. Its totient is φ = 29155166244.

The previous prime is 61549795427. The next prime is 61549795453. The reversal of 61549795442 is 24459794516.

61549795442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 809865692 + ... + 809865767.

It is an arithmetic number, because the mean of its divisors is an integer number (12147985950).

Almost surely, 2^61549795442 is an apocalyptic number.

61549795442 is a deficient number, since it is larger than the sum of its proper divisors (35634092158).

61549795442 is a wasteful number, since it uses less digits than its factorization.

61549795442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619731480.

The product of its digits is 10886400, while the sum is 56.

The spelling of 61549795442 in words is "sixty-one billion, five hundred forty-nine million, seven hundred ninety-five thousand, four hundred forty-two".