613731060401 has 4 divisors (see below), whose sum is σ = 613875778404. Its totient is φ = 613586342400.

The previous prime is 613731060389. The next prime is 613731060403. The reversal of 613731060401 is 104060137316.

613731060401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 368333679025 + 245397381376 = 606905^2 + 495376^2 .

It is a cyclic number.

It is not a de Polignac number, because 613731060401 - 2⁶ = 613731060337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613731060403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72352640 + ... + 72361121.

It is an arithmetic number, because the mean of its divisors is an integer number (153468944601).

Almost surely, 2^613731060401 is an apocalyptic number.

It is an amenable number.

613731060401 is a deficient number, since it is larger than the sum of its proper divisors (144718003).

613731060401 is a wasteful number, since it uses less digits than its factorization.

613731060401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144718002.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 613731060401 its reverse (104060137316), we get a palindrome (717791197717).

The spelling of 613731060401 in words is "six hundred thirteen billion, seven hundred thirty-one million, sixty thousand, four hundred one".