61344354250 has 16 divisors (see below), whose sum is σ = 114836631624. Its totient is φ = 24537741600.

The previous prime is 61344354241. The next prime is 61344354257. The reversal of 61344354250 is 5245344316.

It can be written as a sum of positive squares in 4 ways, for example, as 2495901681 + 58848452569 = 49959^2 + 242587^2 .

It is not an unprimeable number, because it can be changed into a prime (61344354257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122688459 + ... + 122688958.

Almost surely, 2^61344354250 is an apocalyptic number.

61344354250 is a deficient number, since it is larger than the sum of its proper divisors (53492277374).

61344354250 is a wasteful number, since it uses less digits than its factorization.

61344354250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245377434 (or 245377424 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 61344354250 its reverse (5245344316), we get a palindrome (66589698566).

The spelling of 61344354250 in words is "sixty-one billion, three hundred forty-four million, three hundred fifty-four thousand, two hundred fifty".