1472942309 has 2 divisors, whose sum is σ = 1472942310. Its totient is φ = 1472942308.

The previous prime is 1472942279. The next prime is 1472942327. The reversal of 1472942309 is 9032492741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1335537025 + 137405284 = 36545^2 + 11722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472942309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1472942369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736471154 + 736471155.

It is an arithmetic number, because the mean of its divisors is an integer number (736471155).

Almost surely, 2^1472942309 is an apocalyptic number.

It is an amenable number.

1472942309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472942309 is an equidigital number, since it uses as much as digits as its factorization.

1472942309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1472942309 is about 38378.9305348651. The cubic root of 1472942309 is about 1137.7894758014.

The spelling of 1472942309 in words is "one billion, four hundred seventy-two million, nine hundred forty-two thousand, three hundred nine".