61795404890 has 32 divisors (see below), whose sum is σ = 111767947200. Its totient is φ = 24599115904.

The previous prime is 61795404871. The next prime is 61795404917. The reversal of 61795404890 is 9840459716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5276261 + ... + 5287959.

It is an arithmetic number, because the mean of its divisors is an integer number (3492748350).

Almost surely, 2^61795404890 is an apocalyptic number.

61795404890 is a deficient number, since it is larger than the sum of its proper divisors (49972542310).

61795404890 is a wasteful number, since it uses less digits than its factorization.

61795404890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 61795404890 in words is "sixty-one billion, seven hundred ninety-five million, four hundred four thousand, eight hundred ninety".