1377430244653 has 16 divisors (see below), whose sum is σ = 1478659140720. Its totient is φ = 1278451593216.

The previous prime is 1377430244639. The next prime is 1377430244677. The reversal of 1377430244653 is 3564420347731.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3804052329 + 1373626192324 = 61677^2 + 1172018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377430244653 - 2⁵ = 1377430244621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377430244597 and 1377430244606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377430244633) 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, 8428603 + ... + 8590471.

It is an arithmetic number, because the mean of its divisors is an integer number (92416196295).

Almost surely, 2^{1377430244653} is an apocalyptic number.

It is an amenable number.

1377430244653 is a deficient number, since it is larger than the sum of its proper divisors (101228896067).

1377430244653 is a wasteful number, since it uses less digits than its factorization.

1377430244653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168816.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 1377430244653 in words is "one trillion, three hundred seventy-seven billion, four hundred thirty million, two hundred forty-four thousand, six hundred fifty-three".