5495398397 has 4 divisors (see below), whose sum is σ = 5643922716. Its totient is φ = 5346874080.

The previous prime is 5495398379. The next prime is 5495398399. The reversal of 5495398397 is 7938935945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7938935945 = 5 ⋅1587787189.

It can be written as a sum of positive squares in 2 ways, for example, as 2746912921 + 2748485476 = 52411^2 + 52426^2 .

It is a cyclic number.

It is not a de Polignac number, because 5495398397 - 2²² = 5491204093 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 (5495398399) 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, 74262104 + ... + 74262177.

It is an arithmetic number, because the mean of its divisors is an integer number (1410980679).

Almost surely, 2^5495398397 is an apocalyptic number.

It is an amenable number.

5495398397 is a deficient number, since it is larger than the sum of its proper divisors (148524319).

5495398397 is a wasteful number, since it uses less digits than its factorization.

5495398397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148524318.

The product of its digits is 36741600, while the sum is 62.

The square root of 5495398397 is about 74130.9543780464. The cubic root of 5495398397 is about 1764.6817496582.

The spelling of 5495398397 in words is "five billion, four hundred ninety-five million, three hundred ninety-eight thousand, three hundred ninety-seven".