48347869657 has 4 divisors (see below), whose sum is σ = 48351356596. Its totient is φ = 48344382720.

The previous prime is 48347869639. The next prime is 48347869667. The reversal of 48347869657 is 75696874384.

48347869657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9514831936 + 38833037721 = 97544^2 + 197061^2 .

It is a cyclic number.

It is not a de Polignac number, because 48347869657 - 2²⁷ = 48213651929 is a prime.

It is a super-2 number, since 2×48347869657² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48347869592 and 48347869601.

It is not an unprimeable number, because it can be changed into a prime (48347869637) 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, 1722588 + ... + 1750429.

It is an arithmetic number, because the mean of its divisors is an integer number (12087839149).

Almost surely, 2^48347869657 is an apocalyptic number.

It is an amenable number.

48347869657 is a deficient number, since it is larger than the sum of its proper divisors (3486939).

48347869657 is a wasteful number, since it uses less digits than its factorization.

48347869657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486938.

The product of its digits is 243855360, while the sum is 67.

The spelling of 48347869657 in words is "forty-eight billion, three hundred forty-seven million, eight hundred sixty-nine thousand, six hundred fifty-seven".