48756849637 has 4 divisors (see below), whose sum is σ = 49556142316. Its totient is φ = 47957556960.

The previous prime is 48756849607. The next prime is 48756849653. The reversal of 48756849637 is 73694865784.

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 1684774116 + 47072075521 = 41046^2 + 216961^2 .

It is a cyclic number.

It is not a de Polignac number, because 48756849637 - 2²³ = 48748461029 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 (48756849607) 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, 399646248 + ... + 399646369.

It is an arithmetic number, because the mean of its divisors is an integer number (12389035579).

Almost surely, 2^48756849637 is an apocalyptic number.

It is an amenable number.

48756849637 is a deficient number, since it is larger than the sum of its proper divisors (799292679).

48756849637 is an equidigital number, since it uses as much as digits as its factorization.

48756849637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799292678.

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

The spelling of 48756849637 in words is "forty-eight billion, seven hundred fifty-six million, eight hundred forty-nine thousand, six hundred thirty-seven".