61296801449 has 8 divisors (see below), whose sum is σ = 66014703552. Its totient is φ = 56579294160.

The previous prime is 61296801443. The next prime is 61296801457. The reversal of 61296801449 is 94410869216.

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 61296801449 - 2⁸ = 61296801193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61296801397 and 61296801406.

It is not an unprimeable number, because it can be changed into a prime (61296801443) 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, 276644 + ... + 446234.

It is an arithmetic number, because the mean of its divisors is an integer number (8251837944).

Almost surely, 2^61296801449 is an apocalyptic number.

It is an amenable number.

61296801449 is a deficient number, since it is larger than the sum of its proper divisors (4717902103).

61296801449 is a wasteful number, since it uses less digits than its factorization.

61296801449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197407.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 61296801449 in words is "sixty-one billion, two hundred ninety-six million, eight hundred one thousand, four hundred forty-nine".