1411249481 has 4 divisors (see below), whose sum is σ = 1412287764. Its totient is φ = 1410211200.

The previous prime is 1411249471. The next prime is 1411249493. The reversal of 1411249481 is 1849421141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777015625 + 634233856 = 27875^2 + 25184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1411249481 is a prime.

It is a super-2 number, since 2×1411249481² = 3983250195245538722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1411249421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517100 + ... + 519821.

It is an arithmetic number, because the mean of its divisors is an integer number (353071941).

Almost surely, 2^1411249481 is an apocalyptic number.

It is an amenable number.

1411249481 is a deficient number, since it is larger than the sum of its proper divisors (1038283).

1411249481 is a wasteful number, since it uses less digits than its factorization.

1411249481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038282.

The product of its digits is 9216, while the sum is 35.

The square root of 1411249481 is about 37566.6006047926. The cubic root of 1411249481 is about 1121.6773021499.

The spelling of 1411249481 in words is "one billion, four hundred eleven million, two hundred forty-nine thousand, four hundred eighty-one".