48742071421 has 2 divisors, whose sum is σ = 48742071422. Its totient is φ = 48742071420.

The previous prime is 48742071359. The next prime is 48742071491. The reversal of 48742071421 is 12417024784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35546954521 + 13195116900 = 188539^2 + 114870^2 .

It is a cyclic number.

It is not a de Polignac number, because 48742071421 - 2¹¹ = 48742069373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48742071491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24371035710 + 24371035711.

It is an arithmetic number, because the mean of its divisors is an integer number (24371035711).

Almost surely, 2^48742071421 is an apocalyptic number.

It is an amenable number.

48742071421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48742071421 is an equidigital number, since it uses as much as digits as its factorization.

48742071421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 48742071421 in words is "forty-eight billion, seven hundred forty-two million, seventy-one thousand, four hundred twenty-one".