1377741601 has 2 divisors, whose sum is σ = 1377741602. Its totient is φ = 1377741600.

The previous prime is 1377741577. The next prime is 1377741613. The reversal of 1377741601 is 1061477731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297728576 + 80013025 = 36024^2 + 8945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377741601 - 2⁹ = 1377741089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377741641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688870800 + 688870801.

It is an arithmetic number, because the mean of its divisors is an integer number (688870801).

Almost surely, 2^1377741601 is an apocalyptic number.

It is an amenable number.

1377741601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377741601 is an equidigital number, since it uses as much as digits as its factorization.

1377741601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 1377741601 is about 37117.9417667521. The cubic root of 1377741601 is about 1112.7286171748.

The spelling of 1377741601 in words is "one billion, three hundred seventy-seven million, seven hundred forty-one thousand, six hundred one".