5038128949361 has 4 divisors (see below), whose sum is σ = 5334489475812. Its totient is φ = 4741768422912.

The previous prime is 5038128949339. The next prime is 5038128949387. The reversal of 5038128949361 is 1639498218305.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3874224573025 + 1163904376336 = 1968305^2 + 1078844^2 .

It is a cyclic number.

It is not a de Polignac number, because 5038128949361 - 2²² = 5038124755057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5038128949361.

It is not an unprimeable number, because it can be changed into a prime (5038128949331) 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, 148180263200 + ... + 148180263233.

It is an arithmetic number, because the mean of its divisors is an integer number (1333622368953).

Almost surely, 2^{5038128949361} is an apocalyptic number.

It is an amenable number.

5038128949361 is a deficient number, since it is larger than the sum of its proper divisors (296360526451).

5038128949361 is a wasteful number, since it uses less digits than its factorization.

5038128949361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296360526450.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 5038128949361 in words is "five trillion, thirty-eight billion, one hundred twenty-eight million, nine hundred forty-nine thousand, three hundred sixty-one".