1377466453477 has 2 divisors, whose sum is σ = 1377466453478. Its totient is φ = 1377466453476.

The previous prime is 1377466453471. The next prime is 1377466453513. The reversal of 1377466453477 is 7743546647731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148088677121 + 229377776356 = 1071489^2 + 478934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377466453477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377466453471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688733226738 + 688733226739.

It is an arithmetic number, because the mean of its divisors is an integer number (688733226739).

Almost surely, 2^{1377466453477} is an apocalyptic number.

It is an amenable number.

1377466453477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377466453477 is an equidigital number, since it uses as much as digits as its factorization.

1377466453477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248935680, while the sum is 64.

The spelling of 1377466453477 in words is "one trillion, three hundred seventy-seven billion, four hundred sixty-six million, four hundred fifty-three thousand, four hundred seventy-seven".