4945169069 has 4 divisors (see below), whose sum is σ = 4948443360. Its totient is φ = 4941894780.

The previous prime is 4945169017. The next prime is 4945169077. The reversal of 4945169069 is 9609615494.

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 a de Polignac number, because none of the positive numbers 2^k-4945169069 is a prime.

It is a super-2 number, since 2×4945169069² = 48909394241988653522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4945169069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945169269) 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, 1634879 + ... + 1637900.

It is an arithmetic number, because the mean of its divisors is an integer number (1237110840).

Almost surely, 2^4945169069 is an apocalyptic number.

It is an amenable number.

4945169069 is a deficient number, since it is larger than the sum of its proper divisors (3274291).

4945169069 is a wasteful number, since it uses less digits than its factorization.

4945169069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274290.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 4945169069 is about 70321.8960850744. The cubic root of 4945169069 is about 1703.7023196862.

The spelling of 4945169069 in words is "four billion, nine hundred forty-five million, one hundred sixty-nine thousand, sixty-nine".