5498974121 has 2 divisors, whose sum is σ = 5498974122. Its totient is φ = 5498974120.

The previous prime is 5498974099. The next prime is 5498974123. The reversal of 5498974121 is 1214798945.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5250596521 + 248377600 = 72461^2 + 15760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5498974121 - 2¹⁰ = 5498973097 is a prime.

It is a Sophie Germain prime.

Together with 5498974123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5498974121.

It is not a weakly prime, because it can be changed into another prime (5498974123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749487060 + 2749487061.

It is an arithmetic number, because the mean of its divisors is an integer number (2749487061).

Almost surely, 2^5498974121 is an apocalyptic number.

It is an amenable number.

5498974121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5498974121 is an equidigital number, since it uses as much as digits as its factorization.

5498974121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The square root of 5498974121 is about 74155.0680735983. The cubic root of 5498974121 is about 1765.0644120442.

The spelling of 5498974121 in words is "five billion, four hundred ninety-eight million, nine hundred seventy-four thousand, one hundred twenty-one".