61364425849 has 8 divisors (see below), whose sum is σ = 62258868000. Its totient is φ = 60475927296.

The previous prime is 61364425831. The next prime is 61364425861. The reversal of 61364425849 is 94852446316.

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 61364425849 - 2⁷ = 61364425721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61364425796 and 61364425805.

It is not an unprimeable number, because it can be changed into a prime (61364425949) 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, 1465099 + ... + 1506400.

It is an arithmetic number, because the mean of its divisors is an integer number (7782358500).

Almost surely, 2^61364425849 is an apocalyptic number.

It is an amenable number.

61364425849 is a deficient number, since it is larger than the sum of its proper divisors (894442151).

61364425849 is a wasteful number, since it uses less digits than its factorization.

61364425849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971799.

The product of its digits is 4976640, while the sum is 52.

The spelling of 61364425849 in words is "sixty-one billion, three hundred sixty-four million, four hundred twenty-five thousand, eight hundred forty-nine".