1373642654677 has 2 divisors, whose sum is σ = 1373642654678. Its totient is φ = 1373642654676.

The previous prime is 1373642654651. The next prime is 1373642654701. The reversal of 1373642654677 is 7764562463731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090518629841 + 283124024836 = 1044279^2 + 532094^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373642654677 - 2¹⁵ = 1373642621909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373642654647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686821327338 + 686821327339.

It is an arithmetic number, because the mean of its divisors is an integer number (686821327339).

Almost surely, 2^{1373642654677} is an apocalyptic number.

It is an amenable number.

1373642654677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373642654677 is an equidigital number, since it uses as much as digits as its factorization.

1373642654677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 61.

The spelling of 1373642654677 in words is "one trillion, three hundred seventy-three billion, six hundred forty-two million, six hundred fifty-four thousand, six hundred seventy-seven".