61354424613 has 16 divisors (see below), whose sum is σ = 81934745600. Its totient is φ = 40838569200.

The previous prime is 61354424611. The next prime is 61354424623. The reversal of 61354424613 is 31642445316.

It is not a de Polignac number, because 61354424613 - 2¹ = 61354424611 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61354424611) 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, 11983068 + ... + 11988186.

It is an arithmetic number, because the mean of its divisors is an integer number (5120921600).

Almost surely, 2^61354424613 is an apocalyptic number.

It is an amenable number.

61354424613 is a deficient number, since it is larger than the sum of its proper divisors (20580320987).

61354424613 is a wasteful number, since it uses less digits than its factorization.

61354424613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632.

The product of its digits is 207360, while the sum is 39.

Adding to 61354424613 its reverse (31642445316), we get a palindrome (92996869929).

The spelling of 61354424613 in words is "sixty-one billion, three hundred fifty-four million, four hundred twenty-four thousand, six hundred thirteen".