1498708889 has 2 divisors, whose sum is σ = 1498708890. Its totient is φ = 1498708888.

The previous prime is 1498708877. The next prime is 1498708903. The reversal of 1498708889 is 9888078941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354828864 + 143880025 = 36808^2 + 11995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1498708889 - 2⁴ = 1498708873 is a prime.

It is a super-2 number, since 2×1498708889² = 4492256667935228642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1498708489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749354444 + 749354445.

It is an arithmetic number, because the mean of its divisors is an integer number (749354445).

Almost surely, 2^1498708889 is an apocalyptic number.

It is an amenable number.

1498708889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498708889 is an equidigital number, since it uses as much as digits as its factorization.

1498708889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 62.

The square root of 1498708889 is about 38713.1617024495. The cubic root of 1498708889 is about 1144.3857142426.

The spelling of 1498708889 in words is "one billion, four hundred ninety-eight million, seven hundred eight thousand, eight hundred eighty-nine".