1377442334663 has 4 divisors (see below), whose sum is σ = 1377444731520. Its totient is φ = 1377439937808.

The previous prime is 1377442334633. The next prime is 1377442334683. The reversal of 1377442334663 is 3664332447731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1377442334663 - 2¹² = 1377442330567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377442334633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235523 + ... + 1676411.

It is an arithmetic number, because the mean of its divisors is an integer number (344361182880).

Almost surely, 2^{1377442334663} is an apocalyptic number.

1377442334663 is a deficient number, since it is larger than the sum of its proper divisors (2396857).

1377442334663 is an equidigital number, since it uses as much as digits as its factorization.

1377442334663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396856.

The product of its digits is 18289152, while the sum is 53.

The spelling of 1377442334663 in words is "one trillion, three hundred seventy-seven billion, four hundred forty-two million, three hundred thirty-four thousand, six hundred sixty-three".