19670652119 has 4 divisors (see below), whose sum is σ = 19671292296. Its totient is φ = 19670011944.

The previous prime is 19670652109. The next prime is 19670652143. The reversal of 19670652119 is 91125607691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19670652119 is a prime.

It is a super-2 number, since 2×19670652119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19670652109) 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, 271544 + ... + 336269.

It is an arithmetic number, because the mean of its divisors is an integer number (4917823074).

Almost surely, 2^19670652119 is an apocalyptic number.

19670652119 is a deficient number, since it is larger than the sum of its proper divisors (640177).

19670652119 is an equidigital number, since it uses as much as digits as its factorization.

19670652119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640176.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 19670652119 in words is "nineteen billion, six hundred seventy million, six hundred fifty-two thousand, one hundred nineteen".