1377031864337 has 2 divisors, whose sum is σ = 1377031864338. Its totient is φ = 1377031864336.

The previous prime is 1377031864321. The next prime is 1377031864387. The reversal of 1377031864337 is 7334681307731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1293187449856 + 83844414481 = 1137184^2 + 289559^2 .

It is an emirp because it is prime and its reverse (7334681307731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1377031864337 - 2⁴ = 1377031864321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377031864387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688515932168 + 688515932169.

It is an arithmetic number, because the mean of its divisors is an integer number (688515932169).

Almost surely, 2^{1377031864337} is an apocalyptic number.

It is an amenable number.

1377031864337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377031864337 is an equidigital number, since it uses as much as digits as its factorization.

1377031864337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 1377031864337 in words is "one trillion, three hundred seventy-seven billion, thirty-one million, eight hundred sixty-four thousand, three hundred thirty-seven".