61423301305 has 8 divisors (see below), whose sum is σ = 74245976712. Its totient is φ = 48779964288.

The previous prime is 61423301287. The next prime is 61423301311. The reversal of 61423301305 is 50310332416.

It can be written as a sum of positive squares in 4 ways, for example, as 135862336 + 61287438969 = 11656^2 + 247563^2 .

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 61423301305 - 2¹⁵ = 61423268537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 44833842 + ... + 44835211.

It is an arithmetic number, because the mean of its divisors is an integer number (9280747089).

Almost surely, 2^61423301305 is an apocalyptic number.

It is an amenable number.

61423301305 is a deficient number, since it is larger than the sum of its proper divisors (12822675407).

61423301305 is a wasteful number, since it uses less digits than its factorization.

61423301305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89669195.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 61423301305 in words is "sixty-one billion, four hundred twenty-three million, three hundred one thousand, three hundred five".