48681021377 has 2 divisors, whose sum is σ = 48681021378. Its totient is φ = 48681021376.

The previous prime is 48681021349. The next prime is 48681021379. The reversal of 48681021377 is 77312018684.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41183020096 + 7498001281 = 202936^2 + 86591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48681021377 is a prime.

It is a super-2 number, since 2×48681021377² (a number of 22 digits) contains 22 as substring.

Together with 48681021379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48681021379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24340510688 + 24340510689.

It is an arithmetic number, because the mean of its divisors is an integer number (24340510689).

Almost surely, 2^48681021377 is an apocalyptic number.

It is an amenable number.

48681021377 is a deficient number, since it is larger than the sum of its proper divisors (1).

48681021377 is an equidigital number, since it uses as much as digits as its factorization.

48681021377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 48681021377 in words is "forty-eight billion, six hundred eighty-one million, twenty-one thousand, three hundred seventy-seven".