5417445421 has 4 divisors (see below), whose sum is σ = 5418181692. Its totient is φ = 5416709152.

The previous prime is 5417445409. The next prime is 5417445457. The reversal of 5417445421 is 1245447145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1245447145 = 5 ⋅249089429.

It can be written as a sum of positive squares in 2 ways, for example, as 873202500 + 4544242921 = 29550^2 + 67411^2 .

It is a cyclic number.

It is not a de Polignac number, because 5417445421 - 2¹¹ = 5417443373 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 (5417445401) 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, 356986 + ... + 371851.

It is an arithmetic number, because the mean of its divisors is an integer number (1354545423).

Almost surely, 2^5417445421 is an apocalyptic number.

It is an amenable number.

5417445421 is a deficient number, since it is larger than the sum of its proper divisors (736271).

5417445421 is an equidigital number, since it uses as much as digits as its factorization.

5417445421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736270.

The product of its digits is 89600, while the sum is 37.

The square root of 5417445421 is about 73603.2976231364. The cubic root of 5417445421 is about 1756.2978979840.

The spelling of 5417445421 in words is "five billion, four hundred seventeen million, four hundred forty-five thousand, four hundred twenty-one".