3454876821 has 12 divisors (see below), whose sum is σ = 5063346176. Its totient is φ = 2093864520.

The previous prime is 3454876811. The next prime is 3454876847. The reversal of 3454876821 is 1286784543.

It is not a de Polignac number, because 3454876821 - 2¹⁰ = 3454875797 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 (3454876811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4758421 + ... + 4759146.

Almost surely, 2^3454876821 is an apocalyptic number.

It is an amenable number.

3454876821 is a deficient number, since it is larger than the sum of its proper divisors (1608469355).

3454876821 is a wasteful number, since it uses less digits than its factorization.

3454876821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9517592 (or 9517581 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 3454876821 is about 58778.2002191289. The cubic root of 3454876821 is about 1511.7414554532.

The spelling of 3454876821 in words is "three billion, four hundred fifty-four million, eight hundred seventy-six thousand, eight hundred twenty-one".