1770816461137 has 2 divisors, whose sum is σ = 1770816461138. Its totient is φ = 1770816461136.

The previous prime is 1770816461101. The next prime is 1770816461147. The reversal of 1770816461137 is 7311646180771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1184372947521 + 586443513616 = 1088289^2 + 765796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1770816461137 - 2¹⁹ = 1770815936849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1770816461147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885408230568 + 885408230569.

It is an arithmetic number, because the mean of its divisors is an integer number (885408230569).

Almost surely, 2^{1770816461137} is an apocalyptic number.

It is an amenable number.

1770816461137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1770816461137 is an equidigital number, since it uses as much as digits as its factorization.

1770816461137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 1770816461137 in words is "one trillion, seven hundred seventy billion, eight hundred sixteen million, four hundred sixty-one thousand, one hundred thirty-seven".