5436619613 has 4 divisors (see below), whose sum is σ = 5460360540. Its totient is φ = 5412878688.

The previous prime is 5436619583. The next prime is 5436619621. The reversal of 5436619613 is 3169166345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3169166345 = 5 ⋅633833269.

It can be written as a sum of positive squares in 2 ways, for example, as 2178835684 + 3257783929 = 46678^2 + 57077^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436619613 - 2¹⁰ = 5436618589 is a prime.

It is a super-4 number, since 4×5436619613⁴ (a number of 40 digits) contains 4444 as substring.

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 (5436619813) 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, 11870120 + ... + 11870577.

It is an arithmetic number, because the mean of its divisors is an integer number (1365090135).

Almost surely, 2^5436619613 is an apocalyptic number.

It is an amenable number.

5436619613 is a deficient number, since it is larger than the sum of its proper divisors (23740927).

5436619613 is a wasteful number, since it uses less digits than its factorization.

5436619613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23740926.

The product of its digits is 349920, while the sum is 44.

The square root of 5436619613 is about 73733.4361941718. The cubic root of 5436619613 is about 1758.3675045123.

The spelling of 5436619613 in words is "five billion, four hundred thirty-six million, six hundred nineteen thousand, six hundred thirteen".