4998666137 has 2 divisors, whose sum is σ = 4998666138. Its totient is φ = 4998666136.

The previous prime is 4998666109. The next prime is 4998666143. The reversal of 4998666137 is 7316668994.

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., 3703817881 + 1294848256 = 60859^2 + 35984^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998666137 - 2¹⁶ = 4998600601 is a prime.

It is not a weakly prime, because it can be changed into another prime (4998666187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499333068 + 2499333069.

It is an arithmetic number, because the mean of its divisors is an integer number (2499333069).

Almost surely, 2^4998666137 is an apocalyptic number.

It is an amenable number.

4998666137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998666137 is an equidigital number, since it uses as much as digits as its factorization.

4998666137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 4998666137 is about 70701.2456538073. The cubic root of 4998666137 is about 1709.8238749100.

The spelling of 4998666137 in words is "four billion, nine hundred ninety-eight million, six hundred sixty-six thousand, one hundred thirty-seven".