61280334580673 has 16 divisors (see below), whose sum is σ = 69876520030800. Its totient is φ = 53238794059776.

The previous prime is 61280334580667. The next prime is 61280334580693. The reversal of 61280334580673 is 37608543308216.

It can be written as a sum of positive squares in 8 ways, for example, as 2395706509249 + 58884628071424 = 1547807^2 + 7673632^2 .

It is not a de Polignac number, because 61280334580673 - 2⁸ = 61280334580417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61280334580603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69074561 + ... + 69956097.

It is an arithmetic number, because the mean of its divisors is an integer number (4367282501925).

Almost surely, 2^{61280334580673} is an apocalyptic number.

It is an amenable number.

61280334580673 is a deficient number, since it is larger than the sum of its proper divisors (8596185450127).

61280334580673 is a wasteful number, since it uses less digits than its factorization.

61280334580673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196116.

The product of its (nonzero) digits is 17418240, while the sum is 56.

Adding to 61280334580673 its reverse (37608543308216), we get a palindrome (98888877888889).

The spelling of 61280334580673 in words is "sixty-one trillion, two hundred eighty billion, three hundred thirty-four million, five hundred eighty thousand, six hundred seventy-three".