979465709 has 2 divisors, whose sum is σ = 979465710. Its totient is φ = 979465708.

The previous prime is 979465699. The next prime is 979465717. The reversal of 979465709 is 907564979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706390084 + 273075625 = 26578^2 + 16525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979465709 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 (979465009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489732854 + 489732855.

It is an arithmetic number, because the mean of its divisors is an integer number (489732855).

Almost surely, 2^979465709 is an apocalyptic number.

It is an amenable number.

979465709 is a deficient number, since it is larger than the sum of its proper divisors (1).

979465709 is an equidigital number, since it uses as much as digits as its factorization.

979465709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The square root of 979465709 is about 31296.4168715845. The cubic root of 979465709 is about 993.1078436441.

The spelling of 979465709 in words is "nine hundred seventy-nine million, four hundred sixty-five thousand, seven hundred nine".