970903709 has 2 divisors, whose sum is σ = 970903710. Its totient is φ = 970903708.

The previous prime is 970903693. The next prime is 970903721. The reversal of 970903709 is 907309079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730188484 + 240715225 = 27022^2 + 15515^2 .

It is a cyclic number.

It is not a de Polignac number, because 970903709 - 2⁴ = 970903693 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 970903709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970903309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485451854 + 485451855.

It is an arithmetic number, because the mean of its divisors is an integer number (485451855).

Almost surely, 2^970903709 is an apocalyptic number.

It is an amenable number.

970903709 is a deficient number, since it is larger than the sum of its proper divisors (1).

970903709 is an equidigital number, since it uses as much as digits as its factorization.

970903709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 970903709 is about 31159.3278008368. The cubic root of 970903709 is about 990.2056196379.

The spelling of 970903709 in words is "nine hundred seventy million, nine hundred three thousand, seven hundred nine".