970503649 has 2 divisors, whose sum is σ = 970503650. Its totient is φ = 970503648.

The previous prime is 970503631. The next prime is 970503671. The reversal of 970503649 is 946305079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 878055424 + 92448225 = 29632^2 + 9615^2 .

It is an emirp because it is prime and its reverse (946305079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 970503649 - 2²³ = 962115041 is a prime.

It is not a weakly prime, because it can be changed into another prime (970503629) 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, 485251824 + 485251825.

It is an arithmetic number, because the mean of its divisors is an integer number (485251825).

Almost surely, 2^970503649 is an apocalyptic number.

It is an amenable number.

970503649 is a deficient number, since it is larger than the sum of its proper divisors (1).

970503649 is an equidigital number, since it uses as much as digits as its factorization.

970503649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 970503649 is about 31152.9075529075. The cubic root of 970503649 is about 990.0695965085.

The spelling of 970503649 in words is "nine hundred seventy million, five hundred three thousand, six hundred forty-nine".