1487457742601 has 2 divisors, whose sum is σ = 1487457742602. Its totient is φ = 1487457742600.

The previous prime is 1487457742559. The next prime is 1487457742651. The reversal of 1487457742601 is 1062477547841.

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., 1481685390025 + 5772352576 = 1217245^2 + 75976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1487457742601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1487457742651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743728871300 + 743728871301.

It is an arithmetic number, because the mean of its divisors is an integer number (743728871301).

Almost surely, 2^{1487457742601} is an apocalyptic number.

It is an amenable number.

1487457742601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487457742601 is an equidigital number, since it uses as much as digits as its factorization.

1487457742601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 1487457742601 in words is "one trillion, four hundred eighty-seven billion, four hundred fifty-seven million, seven hundred forty-two thousand, six hundred one".