5445126013 has 4 divisors (see below), whose sum is σ = 5450523580. Its totient is φ = 5439728448.

The previous prime is 5445125971. The next prime is 5445126019. The reversal of 5445126013 is 3106215445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3106215445 = 5 ⋅621243089.

It can be written as a sum of positive squares in 2 ways, for example, as 1975091364 + 3470034649 = 44442^2 + 58907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5445126013 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 (5445126019) 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, 2697270 + ... + 2699287.

It is an arithmetic number, because the mean of its divisors is an integer number (1362630895).

Almost surely, 2^5445126013 is an apocalyptic number.

It is an amenable number.

5445126013 is a deficient number, since it is larger than the sum of its proper divisors (5397567).

5445126013 is a wasteful number, since it uses less digits than its factorization.

5445126013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397566.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5445126013 is about 73791.0971120500. The cubic root of 5445126013 is about 1759.2841024576.

The spelling of 5445126013 in words is "five billion, four hundred forty-five million, one hundred twenty-six thousand, thirteen".