5144653656242 has 4 divisors (see below), whose sum is σ = 7716980484366. Its totient is φ = 2572326828120.

The previous prime is 5144653656239. The next prime is 5144653656251. The reversal of 5144653656242 is 2426563564415.

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., 4362329327161 + 782324329081 = 2088619^2 + 884491^2 .

It is a super-2 number, since 2×5144653656242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286163414059 + ... + 1286163414062.

Almost surely, 2^{5144653656242} is an apocalyptic number.

5144653656242 is a deficient number, since it is larger than the sum of its proper divisors (2572326828124).

5144653656242 is a wasteful number, since it uses less digits than its factorization.

5144653656242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572326828123.

The product of its digits is 20736000, while the sum is 53.

The spelling of 5144653656242 in words is "five trillion, one hundred forty-four billion, six hundred fifty-three million, six hundred fifty-six thousand, two hundred forty-two".