61008833869 has 8 divisors (see below), whose sum is σ = 64165105152. Its totient is φ = 57926827920.

The previous prime is 61008833867. The next prime is 61008833881. The reversal of 61008833869 is 96833880016.

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

It is a cyclic number.

It is not a de Polignac number, because 61008833869 - 2¹ = 61008833867 is a prime.

It is a super-2 number, since 2×61008833869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61008833867) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18564649 + ... + 18567934.

It is an arithmetic number, because the mean of its divisors is an integer number (8020638144).

Almost surely, 2^61008833869 is an apocalyptic number.

It is an amenable number.

61008833869 is a deficient number, since it is larger than the sum of its proper divisors (3156271283).

61008833869 is a wasteful number, since it uses less digits than its factorization.

61008833869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37132667.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 61008833869 in words is "sixty-one billion, eight million, eight hundred thirty-three thousand, eight hundred sixty-nine".