5396449797 has 10 divisors (see below), whose sum is σ = 8061363398. Its totient is φ = 3597633144.

The previous prime is 5396449783. The next prime is 5396449873. The reversal of 5396449797 is 7979446935.

5396449797 is a `hidden beast` number, since 53 + 9 + 6 + 4 + 497 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3648039201 + 1748410596 = 60399^2 + 41814^2 .

It is not a de Polignac number, because 5396449797 - 2⁴ = 5396449781 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 (5396444797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33311338 + ... + 33311499.

Almost surely, 2^5396449797 is an apocalyptic number.

It is an amenable number.

5396449797 is a deficient number, since it is larger than the sum of its proper divisors (2664913601).

5396449797 is an equidigital number, since it uses as much as digits as its factorization.

5396449797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66622849 (or 66622840 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The square root of 5396449797 is about 73460.5322401084. The cubic root of 5396449797 is about 1754.0260824712.

The spelling of 5396449797 in words is "five billion, three hundred ninety-six million, four hundred forty-nine thousand, seven hundred ninety-seven".