4985063745521 has 4 divisors (see below), whose sum is σ = 4985069635044. Its totient is φ = 4985057856000.

The previous prime is 4985063745511. The next prime is 4985063745581. The reversal of 4985063745521 is 1255473605894.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1020425245921 + 3964638499600 = 1010161^2 + 1991140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4985063745521 - 2⁶ = 4985063745457 is a prime.

It is a super-2 number, since 2×4985063745521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4985063745511) 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, 1407680 + ... + 3457121.

It is an arithmetic number, because the mean of its divisors is an integer number (1246267408761).

It is a 1-persistent number, because it is pandigital, but 2⋅4985063745521 = 9970127491042 is not.

Almost surely, 2^{4985063745521} is an apocalyptic number.

It is an amenable number.

4985063745521 is a deficient number, since it is larger than the sum of its proper divisors (5889523).

4985063745521 is a wasteful number, since it uses less digits than its factorization.

4985063745521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889522.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 4985063745521 in words is "four trillion, nine hundred eighty-five billion, sixty-three million, seven hundred forty-five thousand, five hundred twenty-one".