5481910613 has 4 divisors (see below), whose sum is σ = 5488133868. Its totient is φ = 5475687360.

The previous prime is 5481910573. The next prime is 5481910633. The reversal of 5481910613 is 3160191845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3160191845 = 5 ⋅632038369.

It can be written as a sum of positive squares in 2 ways, for example, as 2396885764 + 3085024849 = 48958^2 + 55543^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481910613 - 2⁶ = 5481910549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481910633) 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, 3110306 + ... + 3112067.

It is an arithmetic number, because the mean of its divisors is an integer number (1372033467).

Almost surely, 2^5481910613 is an apocalyptic number.

It is an amenable number.

5481910613 is a deficient number, since it is larger than the sum of its proper divisors (6223255).

5481910613 is an equidigital number, since it uses as much as digits as its factorization.

5481910613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223254.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 5481910613 is about 74039.9258035825. The cubic root of 5481910613 is about 1763.2368349686.

The spelling of 5481910613 in words is "five billion, four hundred eighty-one million, nine hundred ten thousand, six hundred thirteen".