119783133409 has 3 divisors (see below), whose sum is σ = 119783479507. Its totient is φ = 119782787312.

The previous prime is 119783133397. The next prime is 119783133419. The reversal of 119783133409 is 904331387911.

The square root of 119783133409 is 346097.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 112906080225 + 6877053184 = 336015^2 + 82928^2 .

It is not a de Polignac number, because 119783133409 - 2²¹ = 119781036257 is a prime.

It is a super-2 number, since 2×119783133409² (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 (119783133419) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 173049 + ... + 519145.

Almost surely, 2^119783133409 is an apocalyptic number.

119783133409 is the 346097-th square number.

119783133409 is the 173049-th centered octagonal number.

It is an amenable number.

119783133409 is a deficient number, since it is larger than the sum of its proper divisors (346098).

119783133409 is an frugal number, since it uses more digits than its factorization.

119783133409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692194 (or 346097 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

Multiplying 119783133409 by its sum of digits (49), we get a square (5869373537041 = 2422679²).

The spelling of 119783133409 in words is "one hundred nineteen billion, seven hundred eighty-three million, one hundred thirty-three thousand, four hundred nine".