61037321889 has 8 divisors (see below), whose sum is σ = 81977133600. Its totient is φ = 40394529056.

The previous prime is 61037321887. The next prime is 61037321893. The reversal of 61037321889 is 98812373016.

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 61037321889 - 2¹ = 61037321887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61037321887) 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, 74254239 + ... + 74255060.

It is an arithmetic number, because the mean of its divisors is an integer number (10247141700).

Almost surely, 2^61037321889 is an apocalyptic number.

It is an amenable number.

61037321889 is a deficient number, since it is larger than the sum of its proper divisors (20939811711).

61037321889 is a wasteful number, since it uses less digits than its factorization.

61037321889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148509439.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 61037321889 in words is "sixty-one billion, thirty-seven million, three hundred twenty-one thousand, eight hundred eighty-nine".