1379605561338 has 16 divisors (see below), whose sum is σ = 2921517659520. Its totient is φ = 432817430976.

The previous prime is 1379605561331. The next prime is 1379605561351. The reversal of 1379605561338 is 8331655069731.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1379605561331) 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, 6762772258 + ... + 6762772461.

It is an arithmetic number, because the mean of its divisors is an integer number (182594853720).

Almost surely, 2^{1379605561338} is an apocalyptic number.

1379605561338 is an abundant number, since it is smaller than the sum of its proper divisors (1541912098182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379605561338 is a wasteful number, since it uses less digits than its factorization.

1379605561338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13525544741.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 1379605561338 in words is "one trillion, three hundred seventy-nine billion, six hundred five million, five hundred sixty-one thousand, three hundred thirty-eight".