1481645940917 has 2 divisors, whose sum is σ = 1481645940918. Its totient is φ = 1481645940916.

The previous prime is 1481645940869. The next prime is 1481645940937. The reversal of 1481645940917 is 7190495461841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447326896401 + 34319044516 = 1203049^2 + 185254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481645940917 - 2²⁶ = 1481578832053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481645940937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740822970458 + 740822970459.

It is an arithmetic number, because the mean of its divisors is an integer number (740822970459).

Almost surely, 2^{1481645940917} is an apocalyptic number.

It is an amenable number.

1481645940917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481645940917 is an equidigital number, since it uses as much as digits as its factorization.

1481645940917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 1481645940917 in words is "one trillion, four hundred eighty-one billion, six hundred forty-five million, nine hundred forty thousand, nine hundred seventeen".