1385677773641 has 32 divisors (see below), whose sum is σ = 1768131256320. Its totient is φ = 1057167417600.

The previous prime is 1385677773637. The next prime is 1385677773653. The reversal of 1385677773641 is 1463777765831.

It is not a de Polignac number, because 1385677773641 - 2² = 1385677773637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1385677773611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754376 + ... + 1827686.

It is an arithmetic number, because the mean of its divisors is an integer number (55254101760).

Almost surely, 2^{1385677773641} is an apocalyptic number.

It is an amenable number.

1385677773641 is a deficient number, since it is larger than the sum of its proper divisors (382453482679).

1385677773641 is a wasteful number, since it uses less digits than its factorization.

1385677773641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073925.

The product of its digits is 124467840, while the sum is 65.

The spelling of 1385677773641 in words is "one trillion, three hundred eighty-five billion, six hundred seventy-seven million, seven hundred seventy-three thousand, six hundred forty-one".