613452444131 has 16 divisors (see below), whose sum is σ = 641010827520. Its totient is φ = 585968449440.

The previous prime is 613452444109. The next prime is 613452444133. The reversal of 613452444131 is 131444254316.

It is a cyclic number.

It is not a de Polignac number, because 613452444131 - 2¹⁸ = 613452181987 is a prime.

It is a super-2 number, since 2×613452444131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613452444133) 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, 92120480 + ... + 92127138.

It is an arithmetic number, because the mean of its divisors is an integer number (40063176720).

Almost surely, 2^613452444131 is an apocalyptic number.

613452444131 is a deficient number, since it is larger than the sum of its proper divisors (27558383389).

613452444131 is a wasteful number, since it uses less digits than its factorization.

613452444131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11626.

The product of its digits is 138240, while the sum is 38.

Adding to 613452444131 its reverse (131444254316), we get a palindrome (744896698447).

The spelling of 613452444131 in words is "six hundred thirteen billion, four hundred fifty-two million, four hundred forty-four thousand, one hundred thirty-one".