1481338693 has 2 divisors, whose sum is σ = 1481338694. Its totient is φ = 1481338692.

The previous prime is 1481338681. The next prime is 1481338721. The reversal of 1481338693 is 3968331841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1412481889 + 68856804 = 37583^2 + 8298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481338693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481338613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740669346 + 740669347.

It is an arithmetic number, because the mean of its divisors is an integer number (740669347).

Almost surely, 2^1481338693 is an apocalyptic number.

It is an amenable number.

1481338693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481338693 is an equidigital number, since it uses as much as digits as its factorization.

1481338693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 1481338693 is about 38488.1630244936. The cubic root of 1481338693 is about 1139.9473385441.

The spelling of 1481338693 in words is "one billion, four hundred eighty-one million, three hundred thirty-eight thousand, six hundred ninety-three".