1496993481 has 21 divisors (see below), whose sum is σ = 2246030839. Its totient is φ = 997299216.

The previous prime is 1496993473. The next prime is 1496993483. The reversal of 1496993481 is 1843996941.

It is a happy number.

The square root of 1496993481 is 38691.

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

1496993481 is a `hidden beast` number, since 14 + 9 + 69 + 93 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1241505225 + 255488256 = 35235^2 + 15984^2 .

It is not a de Polignac number, because 1496993481 - 2³ = 1496993473 is a prime.

It is a super-3 number, since 3×1496993481³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1496993483) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1043941 + ... + 1045373.

Almost surely, 2^1496993481 is an apocalyptic number.

1496993481 is the 38691-st square number.

1496993481 is the 19346-th centered octagonal number.

It is an amenable number.

1496993481 is a deficient number, since it is larger than the sum of its proper divisors (749037358).

1496993481 is an frugal number, since it uses more digits than its factorization.

1496993481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884 (or 1436 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The cubic root of 1496993481 is about 1143.9489298705.

The spelling of 1496993481 in words is "one billion, four hundred ninety-six million, nine hundred ninety-three thousand, four hundred eighty-one".