3455773891 has 4 divisors (see below), whose sum is σ = 3512425984. Its totient is φ = 3399121800.

The previous prime is 3455773879. The next prime is 3455773907. The reversal of 3455773891 is 1983775543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1983775543 = 17 ⋅116692679.

It is a cyclic number.

It is not a de Polignac number, because 3455773891 - 2⁵ = 3455773859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3455773831) 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, 28325955 + ... + 28326076.

It is an arithmetic number, because the mean of its divisors is an integer number (878106496).

Almost surely, 2^3455773891 is an apocalyptic number.

3455773891 is a deficient number, since it is larger than the sum of its proper divisors (56652093).

3455773891 is an equidigital number, since it uses as much as digits as its factorization.

3455773891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56652092.

The product of its digits is 3175200, while the sum is 52.

The square root of 3455773891 is about 58785.8306992425. The cubic root of 3455773891 is about 1511.8722869917.

The spelling of 3455773891 in words is "three billion, four hundred fifty-five million, seven hundred seventy-three thousand, eight hundred ninety-one".