4998751059421 has 16 divisors (see below), whose sum is σ = 5716179157248. Its totient is φ = 4282153920000.

The previous prime is 4998751059413. The next prime is 4998751059433. The reversal of 4998751059421 is 1249501578994.

It is a cyclic number.

It is not a de Polignac number, because 4998751059421 - 2³ = 4998751059413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998751059461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89342371 + ... + 89398303.

It is an arithmetic number, because the mean of its divisors is an integer number (357261197328).

Almost surely, 2^{4998751059421} is an apocalyptic number.

It is an amenable number.

4998751059421 is a deficient number, since it is larger than the sum of its proper divisors (717428097827).

4998751059421 is a wasteful number, since it uses less digits than its factorization.

4998751059421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63132.

The product of its (nonzero) digits is 32659200, while the sum is 64.

The spelling of 4998751059421 in words is "four trillion, nine hundred ninety-eight billion, seven hundred fifty-one million, fifty-nine thousand, four hundred twenty-one".