1377386603549 has 8 divisors (see below), whose sum is σ = 1502612410080. Its totient is φ = 1252162270800.

The previous prime is 1377386603519. The next prime is 1377386603609. The reversal of 1377386603549 is 9453066837731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1377386603549 - 2²⁴ = 1377369826333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377386603491 and 1377386603500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377386603519) 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 in 7 ways as a sum of consecutive naturals, for example, 2688479 + ... + 3159539.

It is an arithmetic number, because the mean of its divisors is an integer number (187826551260).

Almost surely, 2^{1377386603549} is an apocalyptic number.

It is an amenable number.

1377386603549 is a deficient number, since it is larger than the sum of its proper divisors (125225806531).

1377386603549 is a wasteful number, since it uses less digits than its factorization.

1377386603549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736891.

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 1377386603549 in words is "one trillion, three hundred seventy-seven billion, three hundred eighty-six million, six hundred three thousand, five hundred forty-nine".