4345920909019 has 4 divisors (see below), whose sum is σ = 4355957678296. Its totient is φ = 4335884139744.

The previous prime is 4345920908779. The next prime is 4345920909053. The reversal of 4345920909019 is 9109090295434.

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

It is a cyclic number.

It is not a de Polignac number, because 4345920909019 - 2²⁵ = 4345887354587 is a prime.

It is a super-2 number, since 2×4345920909019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4345920909059) 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, 5018383989 + ... + 5018384854.

It is an arithmetic number, because the mean of its divisors is an integer number (1088989419574).

Almost surely, 2^{4345920909019} is an apocalyptic number.

4345920909019 is a deficient number, since it is larger than the sum of its proper divisors (10036769277).

4345920909019 is a wasteful number, since it uses less digits than its factorization.

4345920909019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036769276.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 4345920909019 in words is "four trillion, three hundred forty-five billion, nine hundred twenty million, nine hundred nine thousand, nineteen".