1498888452681 has 27 divisors (see below), whose sum is σ = 2198218642893. Its totient is φ = 984183049080.

The previous prime is 1498888452673. The next prime is 1498888452697. The reversal of 1498888452681 is 1862548888941.

The square root of 1498888452681 is 1224291.

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

1498888452681 is a `hidden beast` number, since 1 + 4 + 98 + 8 + 8 + 8 + 4 + 526 + 8 + 1 = 666.

It is not a de Polignac number, because 1498888452681 - 2³ = 1498888452673 is a prime.

It is a super-2 number, since 2×1498888452681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1498888452601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 246079446 + ... + 246085536.

Almost surely, 2^{1498888452681} is an apocalyptic number.

1498888452681 is the 1224291-st square number.

1498888452681 is the 612146-th centered octagonal number.

It is an amenable number.

1498888452681 is a deficient number, since it is larger than the sum of its proper divisors (699330190212).

1498888452681 is an frugal number, since it uses more digits than its factorization.

1498888452681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12322 (or 6161 counting only the distinct ones).

The product of its digits is 283115520, while the sum is 72.

The spelling of 1498888452681 in words is "one trillion, four hundred ninety-eight billion, eight hundred eighty-eight million, four hundred fifty-two thousand, six hundred eighty-one".