48328387021 has 2 divisors, whose sum is σ = 48328387022. Its totient is φ = 48328387020.

The previous prime is 48328387001. The next prime is 48328387043. The reversal of 48328387021 is 12078382384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34824784996 + 13503602025 = 186614^2 + 116205^2 .

It is a cyclic number.

It is not a de Polignac number, because 48328387021 - 2¹⁷ = 48328255949 is a prime.

It is a super-2 number, since 2×48328387021² (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 (48328387001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24164193510 + 24164193511.

It is an arithmetic number, because the mean of its divisors is an integer number (24164193511).

Almost surely, 2^48328387021 is an apocalyptic number.

It is an amenable number.

48328387021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48328387021 is an equidigital number, since it uses as much as digits as its factorization.

48328387021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 48328387021 in words is "forty-eight billion, three hundred twenty-eight million, three hundred eighty-seven thousand, twenty-one".