4988326921 has 2 divisors, whose sum is σ = 4988326922. Its totient is φ = 4988326920.

The previous prime is 4988326897. The next prime is 4988326991. The reversal of 4988326921 is 1296238894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3073039225 + 1915287696 = 55435^2 + 43764^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988326921 - 2¹⁵ = 4988294153 is a prime.

It is not a weakly prime, because it can be changed into another prime (4988326991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494163460 + 2494163461.

It is an arithmetic number, because the mean of its divisors is an integer number (2494163461).

Almost surely, 2^4988326921 is an apocalyptic number.

It is an amenable number.

4988326921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988326921 is an equidigital number, since it uses as much as digits as its factorization.

4988326921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 4988326921 is about 70628.0887536963. The cubic root of 4988326921 is about 1708.6441974766.

The spelling of 4988326921 in words is "four billion, nine hundred eighty-eight million, three hundred twenty-six thousand, nine hundred twenty-one".