61009191382 has 8 divisors (see below), whose sum is σ = 92879664696. Its totient is φ = 30049303152.

The previous prime is 61009191307. The next prime is 61009191427. The reversal of 61009191382 is 28319190016.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227646103 + ... + 227646370.

It is an arithmetic number, because the mean of its divisors is an integer number (11609958087).

Almost surely, 2^61009191382 is an apocalyptic number.

61009191382 is a deficient number, since it is larger than the sum of its proper divisors (31870473314).

61009191382 is a wasteful number, since it uses less digits than its factorization.

61009191382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455292542.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 61009191382 in words is "sixty-one billion, nine million, one hundred ninety-one thousand, three hundred eighty-two".