5425297993 has 4 divisors (see below), whose sum is σ = 5427225360. Its totient is φ = 5423370628.

The previous prime is 5425297987. The next prime is 5425298017. The reversal of 5425297993 is 3997925245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3997925245 = 5 ⋅799585049.

It is a cyclic number.

It is not a de Polignac number, because 5425297993 - 2⁵ = 5425297961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425297963) 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, 959455 + ... + 965092.

It is an arithmetic number, because the mean of its divisors is an integer number (1356806340).

Almost surely, 2^5425297993 is an apocalyptic number.

It is an amenable number.

5425297993 is a deficient number, since it is larger than the sum of its proper divisors (1927367).

5425297993 is a wasteful number, since it uses less digits than its factorization.

5425297993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927366.

The product of its digits is 6123600, while the sum is 55.

The square root of 5425297993 is about 73656.6221937987. The cubic root of 5425297993 is about 1757.1460712729.

The spelling of 5425297993 in words is "five billion, four hundred twenty-five million, two hundred ninety-seven thousand, nine hundred ninety-three".