5445113642 has 4 divisors (see below), whose sum is σ = 8167670466. Its totient is φ = 2722556820.

The previous prime is 5445113623. The next prime is 5445113647. The reversal of 5445113642 is 2463115445.

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

It can be written as a sum of positive squares in only one way, i.e., 4543973281 + 901140361 = 67409^2 + 30019^2 .

It is not an unprimeable number, because it can be changed into a prime (5445113647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361278409 + ... + 1361278412.

Almost surely, 2^5445113642 is an apocalyptic number.

5445113642 is a deficient number, since it is larger than the sum of its proper divisors (2722556824).

5445113642 is a wasteful number, since it uses less digits than its factorization.

5445113642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722556823.

The product of its digits is 57600, while the sum is 35.

The square root of 5445113642 is about 73791.0132875271. The cubic root of 5445113642 is about 1759.2827701272.

The spelling of 5445113642 in words is "five billion, four hundred forty-five million, one hundred thirteen thousand, six hundred forty-two".