1380532089777 has 4 divisors (see below), whose sum is σ = 1840709453040. Its totient is φ = 920354726516.

The previous prime is 1380532089763. The next prime is 1380532089803. The reversal of 1380532089777 is 7779802350831.

It is a happy number.

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 1380532089777 - 2¹⁰ = 1380532088753 is a prime.

It is a super-3 number, since 3×1380532089777³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1380532089777.

It is not an unprimeable number, because it can be changed into a prime (1380532089077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230088681627 + ... + 230088681632.

It is an arithmetic number, because the mean of its divisors is an integer number (460177363260).

Almost surely, 2^{1380532089777} is an apocalyptic number.

It is an amenable number.

1380532089777 is a deficient number, since it is larger than the sum of its proper divisors (460177363263).

1380532089777 is an equidigital number, since it uses as much as digits as its factorization.

1380532089777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460177363262.

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 1380532089777 in words is "one trillion, three hundred eighty billion, five hundred thirty-two million, eighty-nine thousand, seven hundred seventy-seven".