1448590709 has 2 divisors, whose sum is σ = 1448590710. Its totient is φ = 1448590708.

The previous prime is 1448590697. The next prime is 1448590733. The reversal of 1448590709 is 9070958441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1128288100 + 320302609 = 33590^2 + 17897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448590709 - 2¹² = 1448586613 is a prime.

It is a super-2 number, since 2×1448590709² = 4196830084402245362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448590769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724295354 + 724295355.

It is an arithmetic number, because the mean of its divisors is an integer number (724295355).

Almost surely, 2^1448590709 is an apocalyptic number.

It is an amenable number.

1448590709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448590709 is an equidigital number, since it uses as much as digits as its factorization.

1448590709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1448590709 is about 38060.3561333837. The cubic root of 1448590709 is about 1131.4843856738.

The spelling of 1448590709 in words is "one billion, four hundred forty-eight million, five hundred ninety thousand, seven hundred nine".