48493997397 has 6 divisors (see below), whose sum is σ = 70046885142. Its totient is φ = 32329331592.

The previous prime is 48493997389. The next prime is 48493997437. The reversal of 48493997397 is 79379939484.

It is a happy number.

48493997397 is a `hidden beast` number, since 4 + 84 + 9 + 399 + 73 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29526923556 + 18967073841 = 171834^2 + 137721^2 .

It is not a de Polignac number, because 48493997397 - 2³ = 48493997389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48493997897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2694110958 + ... + 2694110975.

It is an arithmetic number, because the mean of its divisors is an integer number (11674480857).

Almost surely, 2^48493997397 is an apocalyptic number.

It is an amenable number.

48493997397 is a deficient number, since it is larger than the sum of its proper divisors (21552887745).

48493997397 is a wasteful number, since it uses less digits than its factorization.

48493997397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388221939 (or 5388221936 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 48493997397 in words is "forty-eight billion, four hundred ninety-three million, nine hundred ninety-seven thousand, three hundred ninety-seven".