1461387728743 has 2 divisors, whose sum is σ = 1461387728744. Its totient is φ = 1461387728742.

The previous prime is 1461387728687. The next prime is 1461387728753. The reversal of 1461387728743 is 3478277831641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1461387728743 - 2⁹ = 1461387728231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461387728753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730693864371 + 730693864372.

It is an arithmetic number, because the mean of its divisors is an integer number (730693864372).

Almost surely, 2^{1461387728743} is an apocalyptic number.

1461387728743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461387728743 is an equidigital number, since it uses as much as digits as its factorization.

1461387728743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37933056, while the sum is 61.

The spelling of 1461387728743 in words is "one trillion, four hundred sixty-one billion, three hundred eighty-seven million, seven hundred twenty-eight thousand, seven hundred forty-three".