61444053245 has 16 divisors (see below), whose sum is σ = 75578287680. Its totient is φ = 47926454400.

The previous prime is 61444053199. The next prime is 61444053259. The reversal of 61444053245 is 54235044416.

It is not a de Polignac number, because 61444053245 - 2¹⁴ = 61444036861 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61444053199 and 61444053208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239330 + ... + 424460.

It is an arithmetic number, because the mean of its divisors is an integer number (4723642980).

Almost surely, 2^61444053245 is an apocalyptic number.

It is an amenable number.

61444053245 is a deficient number, since it is larger than the sum of its proper divisors (14134234435).

61444053245 is a wasteful number, since it uses less digits than its factorization.

61444053245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186796.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 61444053245 in words is "sixty-one billion, four hundred forty-four million, fifty-three thousand, two hundred forty-five".