1498276369681 has 27 divisors (see below), whose sum is σ = 1887414899643. Its totient is φ = 1185361304400.

The previous prime is 1498276369679. The next prime is 1498276369781. The reversal of 1498276369681 is 1869636728941.

It is a happy number.

The square root of 1498276369681 is 1224041.

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., 221638516225 + 1276637853456 = 470785^2 + 1129884^2 .

It is not a de Polignac number, because 1498276369681 - 2¹ = 1498276369679 is a prime.

It is a super-2 number, since 2×1498276369681² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1498276369681.

It is not an unprimeable number, because it can be changed into a prime (1498276369781) 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 in 26 ways as a sum of consecutive naturals, for example, 111381006 + ... + 111394456.

Almost surely, 2^{1498276369681} is an apocalyptic number.

1498276369681 is the 1224041-st square number.

1498276369681 is the 612021-st centered octagonal number.

It is an amenable number.

1498276369681 is a deficient number, since it is larger than the sum of its proper divisors (389138529962).

1498276369681 is an frugal number, since it uses more digits than its factorization.

1498276369681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26942 (or 13471 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 70.

The spelling of 1498276369681 in words is "one trillion, four hundred ninety-eight billion, two hundred seventy-six million, three hundred sixty-nine thousand, six hundred eighty-one".