1487662002481 has 2 divisors, whose sum is σ = 1487662002482. Its totient is φ = 1487662002480.

The previous prime is 1487662002479. The next prime is 1487662002611. The reversal of 1487662002481 is 1842002667841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989310718881 + 498351283600 = 994641^2 + 705940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487662002481 - 2¹ = 1487662002479 is a prime.

It is a super-2 number, since 2×1487662002481² (a number of 25 digits) contains 22 as substring.

Together with 1487662002479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1487662002181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743831001240 + 743831001241.

It is an arithmetic number, because the mean of its divisors is an integer number (743831001241).

Almost surely, 2^{1487662002481} is an apocalyptic number.

It is an amenable number.

1487662002481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487662002481 is an equidigital number, since it uses as much as digits as its factorization.

1487662002481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 1487662002481 in words is "one trillion, four hundred eighty-seven billion, six hundred sixty-two million, two thousand, four hundred eighty-one".