970661849 has 2 divisors, whose sum is σ = 970661850. Its totient is φ = 970661848.

The previous prime is 970661821. The next prime is 970661917. The reversal of 970661849 is 948166079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883575625 + 87086224 = 29725^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 970661849 - 2¹⁶ = 970596313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 970661797 and 970661806.

It is not a weakly prime, because it can be changed into another prime (970661149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485330924 + 485330925.

It is an arithmetic number, because the mean of its divisors is an integer number (485330925).

Almost surely, 2^970661849 is an apocalyptic number.

It is an amenable number.

970661849 is a deficient number, since it is larger than the sum of its proper divisors (1).

970661849 is an equidigital number, since it uses as much as digits as its factorization.

970661849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 970661849 is about 31155.4465382860. The cubic root of 970661849 is about 990.1233900553.

The spelling of 970661849 in words is "nine hundred seventy million, six hundred sixty-one thousand, eight hundred forty-nine".