5249611142 has 4 divisors (see below), whose sum is σ = 7874416716. Its totient is φ = 2624805570.

The previous prime is 5249611121. The next prime is 5249611153. The reversal of 5249611142 is 2411169425.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312402784 + ... + 1312402787.

It is an arithmetic number, because the mean of its divisors is an integer number (1968604179).

Almost surely, 2^5249611142 is an apocalyptic number.

5249611142 is a deficient number, since it is larger than the sum of its proper divisors (2624805574).

5249611142 is a wasteful number, since it uses less digits than its factorization.

5249611142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624805573.

The product of its digits is 17280, while the sum is 35.

The square root of 5249611142 is about 72454.2003061244. The cubic root of 5249611142 is about 1737.9704108831.

The spelling of 5249611142 in words is "five billion, two hundred forty-nine million, six hundred eleven thousand, one hundred forty-two".