5397478849 has 4 divisors (see below), whose sum is σ = 6168547264. Its totient is φ = 4626410436.

The previous prime is 5397478831. The next prime is 5397478873. The reversal of 5397478849 is 9488747935.

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.

It is a cyclic number.

It is not a de Polignac number, because 5397478849 - 2²³ = 5389090241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5397478829) 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, 385534197 + ... + 385534210.

It is an arithmetic number, because the mean of its divisors is an integer number (1542136816).

Almost surely, 2^5397478849 is an apocalyptic number.

It is an amenable number.

5397478849 is a deficient number, since it is larger than the sum of its proper divisors (771068415).

5397478849 is an equidigital number, since it uses as much as digits as its factorization.

5397478849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771068414.

The product of its digits is 60963840, while the sum is 64.

The square root of 5397478849 is about 73467.5360210209. The cubic root of 5397478849 is about 1754.1375674535.

The spelling of 5397478849 in words is "five billion, three hundred ninety-seven million, four hundred seventy-eight thousand, eight hundred forty-nine".