5203938958521 has 8 divisors (see below), whose sum is σ = 6941337602784. Its totient is φ = 3467916476640.

The previous prime is 5203938958457. The next prime is 5203938958567. The reversal of 5203938958521 is 1258598393025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5203938958521 - 2⁶ = 5203938958457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5203938956521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344031771 + ... + 344046896.

It is an arithmetic number, because the mean of its divisors is an integer number (867667200348).

Almost surely, 2^{5203938958521} is an apocalyptic number.

It is an amenable number.

5203938958521 is a deficient number, since it is larger than the sum of its proper divisors (1737398644263).

5203938958521 is a wasteful number, since it uses less digits than its factorization.

5203938958521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688081191.

The product of its (nonzero) digits is 23328000, while the sum is 60.

The spelling of 5203938958521 in words is "five trillion, two hundred three billion, nine hundred thirty-eight million, nine hundred fifty-eight thousand, five hundred twenty-one".