48742189 has 2 divisors, whose sum is σ = 48742190. Its totient is φ = 48742188.

The previous prime is 48742171. The next prime is 48742193. The reversal of 48742189 is 98124784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 10673289 = 6170^2 + 3267^2 .

It is a cyclic number.

It is not a de Polignac number, because 48742189 - 2⁹ = 48741677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48742159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24371094 + 24371095.

It is an arithmetic number, because the mean of its divisors is an integer number (24371095).

Almost surely, 2^48742189 is an apocalyptic number.

It is an amenable number.

48742189 is a deficient number, since it is larger than the sum of its proper divisors (1).

48742189 is an equidigital number, since it uses as much as digits as its factorization.

48742189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 48742189 is about 6981.5606421487. The cubic root of 48742189 is about 365.2876671354.

The spelling of 48742189 in words is "forty-eight million, seven hundred forty-two thousand, one hundred eighty-nine".