1471728061477 has 2 divisors, whose sum is σ = 1471728061478. Its totient is φ = 1471728061476.

The previous prime is 1471728061411. The next prime is 1471728061493. The reversal of 1471728061477 is 7741608271741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1382284598436 + 89443463041 = 1175706^2 + 299071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471728061477 - 2³⁹ = 921972247589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471728061277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735864030738 + 735864030739.

It is an arithmetic number, because the mean of its divisors is an integer number (735864030739).

Almost surely, 2^{1471728061477} is an apocalyptic number.

It is an amenable number.

1471728061477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471728061477 is an equidigital number, since it uses as much as digits as its factorization.

1471728061477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3687936, while the sum is 55.

The spelling of 1471728061477 in words is "one trillion, four hundred seventy-one billion, seven hundred twenty-eight million, sixty-one thousand, four hundred seventy-seven".