48649259389 has 2 divisors, whose sum is σ = 48649259390. Its totient is φ = 48649259388.

The previous prime is 48649259381. The next prime is 48649259473. The reversal of 48649259389 is 98395294684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47154122500 + 1495136889 = 217150^2 + 38667^2 .

It is a cyclic number.

It is not a de Polignac number, because 48649259389 - 2³ = 48649259381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48649259381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24324629694 + 24324629695.

It is an arithmetic number, because the mean of its divisors is an integer number (24324629695).

Almost surely, 2^48649259389 is an apocalyptic number.

It is an amenable number.

48649259389 is a deficient number, since it is larger than the sum of its proper divisors (1).

48649259389 is an equidigital number, since it uses as much as digits as its factorization.

48649259389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 67.

The spelling of 48649259389 in words is "forty-eight billion, six hundred forty-nine million, two hundred fifty-nine thousand, three hundred eighty-nine".