2119623317 has 4 divisors (see below), whose sum is σ = 2422426656. Its totient is φ = 1816819980.

The previous prime is 2119623307. The next prime is 2119623409. The reversal of 2119623317 is 7133269112.

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 2119623317 - 2¹² = 2119619221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119623307) 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, 151401659 + ... + 151401672.

It is an arithmetic number, because the mean of its divisors is an integer number (605606664).

Almost surely, 2^2119623317 is an apocalyptic number.

It is an amenable number.

2119623317 is a deficient number, since it is larger than the sum of its proper divisors (302803339).

2119623317 is an equidigital number, since it uses as much as digits as its factorization.

2119623317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302803338.

The product of its digits is 13608, while the sum is 35.

The square root of 2119623317 is about 46039.3670351798. The cubic root of 2119623317 is about 1284.5555684720. Note that the first 4 decimals are identical.

The spelling of 2119623317 in words is "two billion, one hundred nineteen million, six hundred twenty-three thousand, three hundred seventeen".