3051566404421 has 4 divisors (see below), whose sum is σ = 3101592083244. Its totient is φ = 3001540725600.

The previous prime is 3051566404417. The next prime is 3051566404459. The reversal of 3051566404421 is 1244046651503.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39654748225 + 3011911656196 = 199135^2 + 1735486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3051566404421 - 2² = 3051566404417 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 (3051566404021) 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, 25012839320 + ... + 25012839441.

It is an arithmetic number, because the mean of its divisors is an integer number (775398020811).

Almost surely, 2^{3051566404421} is an apocalyptic number.

It is an amenable number.

3051566404421 is a deficient number, since it is larger than the sum of its proper divisors (50025678823).

3051566404421 is an equidigital number, since it uses as much as digits as its factorization.

3051566404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50025678822.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 3051566404421 in words is "three trillion, fifty-one billion, five hundred sixty-six million, four hundred four thousand, four hundred twenty-one".