1377331373273 has 16 divisors (see below), whose sum is σ = 1471254451200. Its totient is φ = 1286540653200.

The previous prime is 1377331373263. The next prime is 1377331373293. The reversal of 1377331373273 is 3723731337731.

It is a cyclic number.

It is not a de Polignac number, because 1377331373273 - 2²⁰ = 1377330324697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377331373263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3155963 + ... + 3565776.

It is an arithmetic number, because the mean of its divisors is an integer number (91953403200).

Almost surely, 2^{1377331373273} is an apocalyptic number.

It is an amenable number.

1377331373273 is a deficient number, since it is larger than the sum of its proper divisors (93923077927).

1377331373273 is a wasteful number, since it uses less digits than its factorization.

1377331373273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721972.

The product of its digits is 3500658, while the sum is 50.

The spelling of 1377331373273 in words is "one trillion, three hundred seventy-seven billion, three hundred thirty-one million, three hundred seventy-three thousand, two hundred seventy-three".