974434709 has 2 divisors, whose sum is σ = 974434710. Its totient is φ = 974434708.

The previous prime is 974434673. The next prime is 974434717. The reversal of 974434709 is 907434479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748022500 + 226412209 = 27350^2 + 15047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974434709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974434759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487217354 + 487217355.

It is an arithmetic number, because the mean of its divisors is an integer number (487217355).

Almost surely, 2^974434709 is an apocalyptic number.

It is an amenable number.

974434709 is a deficient number, since it is larger than the sum of its proper divisors (1).

974434709 is an equidigital number, since it uses as much as digits as its factorization.

974434709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 974434709 is about 31215.9367791518. The cubic root of 974434709 is about 991.4045665380.

The spelling of 974434709 in words is "nine hundred seventy-four million, four hundred thirty-four thousand, seven hundred nine".