61339406794 has 8 divisors (see below), whose sum is σ = 93745131300. Its totient is φ = 30091029696.

The previous prime is 61339406729. The next prime is 61339406801. The reversal of 61339406794 is 49760493316.

It can be written as a sum of positive squares in 2 ways, for example, as 50902128225 + 10437278569 = 225615^2 + 102163^2 .

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, 289336719 + ... + 289336930.

Almost surely, 2^61339406794 is an apocalyptic number.

61339406794 is a deficient number, since it is larger than the sum of its proper divisors (32405724506).

61339406794 is a wasteful number, since it uses less digits than its factorization.

61339406794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578673704.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 61339406794 in words is "sixty-one billion, three hundred thirty-nine million, four hundred six thousand, seven hundred ninety-four".