48121669 has 2 divisors, whose sum is σ = 48121670. Its totient is φ = 48121668.

The previous prime is 48121663. The next prime is 48121693. The reversal of 48121669 is 96612184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 580644 = 6895^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 48121669 - 2⁵ = 48121637 is a prime.

It is a super-2 number, since 2×48121669² = 4631390054691122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48121663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24060834 + 24060835.

It is an arithmetic number, because the mean of its divisors is an integer number (24060835).

Almost surely, 2^48121669 is an apocalyptic number.

It is an amenable number.

48121669 is a deficient number, since it is larger than the sum of its proper divisors (1).

48121669 is an equidigital number, since it uses as much as digits as its factorization.

48121669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 48121669 is about 6936.9783767863. The cubic root of 48121669 is about 363.7309251028.

The spelling of 48121669 in words is "forty-eight million, one hundred twenty-one thousand, six hundred sixty-nine".