119129780369 has 4 divisors (see below), whose sum is σ = 123237703860. Its totient is φ = 115021856880.

The previous prime is 119129780347. The next prime is 119129780377. The reversal of 119129780369 is 963087921911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32928820369 + 86200960000 = 181463^2 + 293600^2 .

It is a cyclic number.

It is not a de Polignac number, because 119129780369 - 2³⁶ = 50410303633 is a prime.

It is a super-2 number, since 2×119129780369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119129783369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053961702 + ... + 2053961759.

It is an arithmetic number, because the mean of its divisors is an integer number (30809425965).

Almost surely, 2^119129780369 is an apocalyptic number.

It is an amenable number.

119129780369 is a deficient number, since it is larger than the sum of its proper divisors (4107923491).

119129780369 is an equidigital number, since it uses as much as digits as its factorization.

119129780369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107923490.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 119129780369 in words is "one hundred nineteen billion, one hundred twenty-nine million, seven hundred eighty thousand, three hundred sixty-nine".