1377141473647 has 8 divisors (see below), whose sum is σ = 1386629111376. Its totient is φ = 1367671391232.

The previous prime is 1377141473641. The next prime is 1377141473683. The reversal of 1377141473647 is 7463741417731.

It is a happy number.

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 1377141473647 - 2³ = 1377141473639 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 (1377141473641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231378 + ... + 4545199.

It is an arithmetic number, because the mean of its divisors is an integer number (173328638922).

Almost surely, 2^{1377141473647} is an apocalyptic number.

1377141473647 is a deficient number, since it is larger than the sum of its proper divisors (9487637729).

1377141473647 is an equidigital number, since it uses as much as digits as its factorization.

1377141473647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777657.

The product of its digits is 8297856, while the sum is 55.

The spelling of 1377141473647 in words is "one trillion, three hundred seventy-seven billion, one hundred forty-one million, four hundred seventy-three thousand, six hundred forty-seven".