2855191969 has 8 divisors (see below), whose sum is σ = 3264507008. Its totient is φ = 2446234560.

The previous prime is 2855191901. The next prime is 2855191981. The reversal of 2855191969 is 9691915582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2855191969 - 2¹¹ = 2855189921 is a prime.

It is a super-2 number, since 2×2855191969² = 16304242359684193922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2855191069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72072 + ... + 104425.

It is an arithmetic number, because the mean of its divisors is an integer number (408063376).

Almost surely, 2^2855191969 is an apocalyptic number.

It is an amenable number.

2855191969 is a deficient number, since it is larger than the sum of its proper divisors (409315039).

2855191969 is a wasteful number, since it uses less digits than its factorization.

2855191969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178815.

The product of its digits is 1749600, while the sum is 55.

The square root of 2855191969 is about 53433.9963787101. The cubic root of 2855191969 is about 1418.6603726778.

The spelling of 2855191969 in words is "two billion, eight hundred fifty-five million, one hundred ninety-one thousand, nine hundred sixty-nine".