1380674018281 has 4 divisors (see below), whose sum is σ = 1381446641232. Its totient is φ = 1379901395332.

The previous prime is 1380674018263. The next prime is 1380674018293. The reversal of 1380674018281 is 1828104760831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1380674018281 - 2⁹ = 1380674017769 is a prime.

It is a super-2 number, since 2×1380674018281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380674018201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386308795 + ... + 386312368.

It is an arithmetic number, because the mean of its divisors is an integer number (345361660308).

Almost surely, 2^{1380674018281} is an apocalyptic number.

It is an amenable number.

1380674018281 is a deficient number, since it is larger than the sum of its proper divisors (772622951).

1380674018281 is an equidigital number, since it uses as much as digits as its factorization.

1380674018281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772622950.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 1380674018281 in words is "one trillion, three hundred eighty billion, six hundred seventy-four million, eighteen thousand, two hundred eighty-one".