48681021349 has 2 divisors, whose sum is σ = 48681021350. Its totient is φ = 48681021348.

The previous prime is 48681021331. The next prime is 48681021377. The reversal of 48681021349 is 94312018684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29909281249 + 18771740100 = 172943^2 + 137010^2 .

It is a cyclic number.

It is not a de Polignac number, because 48681021349 - 2²³ = 48672632741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48681021299 and 48681021308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48681021329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24340510674 + 24340510675.

It is an arithmetic number, because the mean of its divisors is an integer number (24340510675).

Almost surely, 2^48681021349 is an apocalyptic number.

It is an amenable number.

48681021349 is a deficient number, since it is larger than the sum of its proper divisors (1).

48681021349 is an equidigital number, since it uses as much as digits as its factorization.

48681021349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 48681021349 in words is "forty-eight billion, six hundred eighty-one million, twenty-one thousand, three hundred forty-nine".