48737013781 has 2 divisors, whose sum is σ = 48737013782. Its totient is φ = 48737013780.

The previous prime is 48737013761. The next prime is 48737013797. The reversal of 48737013781 is 18731073784.

48737013781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46368731556 + 2368282225 = 215334^2 + 48665^2 .

It is a cyclic number.

It is not a de Polignac number, because 48737013781 - 2¹¹ = 48737011733 is a prime.

It is a super-2 number, since 2×48737013781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48737013761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24368506890 + 24368506891.

It is an arithmetic number, because the mean of its divisors is an integer number (24368506891).

Almost surely, 2^48737013781 is an apocalyptic number.

It is an amenable number.

48737013781 is a deficient number, since it is larger than the sum of its proper divisors (1).

48737013781 is an equidigital number, since it uses as much as digits as its factorization.

48737013781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 48737013781 in words is "forty-eight billion, seven hundred thirty-seven million, thirteen thousand, seven hundred eighty-one".