5421345051 has 4 divisors (see below), whose sum is σ = 7228460072. Its totient is φ = 3614230032.

The previous prime is 5421345029. The next prime is 5421345053. The reversal of 5421345051 is 1505431245.

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

It is not a de Polignac number, because 5421345051 - 2⁶ = 5421344987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421345053) 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, 903557506 + ... + 903557511.

It is an arithmetic number, because the mean of its divisors is an integer number (1807115018).

Almost surely, 2^5421345051 is an apocalyptic number.

5421345051 is a deficient number, since it is larger than the sum of its proper divisors (1807115021).

5421345051 is a wasteful number, since it uses less digits than its factorization.

5421345051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807115020.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5421345051 is about 73629.7837223497. The cubic root of 5421345051 is about 1756.7192078297.

Adding to 5421345051 its reverse (1505431245), we get a palindrome (6926776296).

The spelling of 5421345051 in words is "five billion, four hundred twenty-one million, three hundred forty-five thousand, fifty-one".