48669942221 has 2 divisors, whose sum is σ = 48669942222. Its totient is φ = 48669942220.

The previous prime is 48669942197. The next prime is 48669942257. The reversal of 48669942221 is 12224996684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33800822500 + 14869119721 = 183850^2 + 121939^2 .

It is a cyclic number.

It is not a de Polignac number, because 48669942221 - 2¹⁸ = 48669680077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48669944221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24334971110 + 24334971111.

It is an arithmetic number, because the mean of its divisors is an integer number (24334971111).

Almost surely, 2^48669942221 is an apocalyptic number.

It is an amenable number.

48669942221 is a deficient number, since it is larger than the sum of its proper divisors (1).

48669942221 is an equidigital number, since it uses as much as digits as its factorization.

48669942221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The spelling of 48669942221 in words is "forty-eight billion, six hundred sixty-nine million, nine hundred forty-two thousand, two hundred twenty-one".