1498386681 has 135 divisors (see below), whose sum is σ = 2732124703. Its totient is φ = 817534080.

The previous prime is 1498386671. The next prime is 1498386689. The reversal of 1498386681 is 1866838941.

The square root of 1498386681 is 38709.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1166564025 + 331822656 = 34155^2 + 18216^2 .

It is not a de Polignac number, because 1498386681 - 2¹³ = 1498378489 is a prime.

It is a super-2 number, since 2×1498386681² = 4490325291596391522, which contains 22 as substring.

Its product of digits (1990656) is a multiple of the sum of its prime divisors (54).

It is not an unprimeable number, because it can be changed into a prime (1498386689) 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 in 134 ways as a sum of consecutive naturals, for example, 65147236 + ... + 65147258.

Almost surely, 2^1498386681 is an apocalyptic number.

1498386681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1498386681 is the 38709-th square number.

1498386681 is the 19355-th centered octagonal number.

It is an amenable number.

1498386681 is a deficient number, since it is larger than the sum of its proper divisors (1233738022).

1498386681 is a wasteful number, since it uses less digits than its factorization.

1498386681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 54 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The cubic root of 1498386681 is about 1144.3036977233.

The spelling of 1498386681 in words is "one billion, four hundred ninety-eight million, three hundred eighty-six thousand, six hundred eighty-one".