1471972289 has 2 divisors, whose sum is σ = 1471972290. Its totient is φ = 1471972288.

The previous prime is 1471972277. The next prime is 1471972301. The reversal of 1471972289 is 9822791741.

It is a balanced prime because it is at equal distance from previous prime (1471972277) and next prime (1471972301).

It can be written as a sum of positive squares in only one way, i.e., 917605264 + 554367025 = 30292^2 + 23545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471972289 - 2¹² = 1471968193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1471932289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735986144 + 735986145.

It is an arithmetic number, because the mean of its divisors is an integer number (735986145).

Almost surely, 2^1471972289 is an apocalyptic number.

It is an amenable number.

1471972289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471972289 is an equidigital number, since it uses as much as digits as its factorization.

1471972289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 50.

The square root of 1471972289 is about 38366.2910508691. The cubic root of 1471972289 is about 1137.5396536352.

The spelling of 1471972289 in words is "one billion, four hundred seventy-one million, nine hundred seventy-two thousand, two hundred eighty-nine".