970873669 has 2 divisors, whose sum is σ = 970873670. Its totient is φ = 970873668.

The previous prime is 970873639. The next prime is 970873741. The reversal of 970873669 is 966378079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619761025 + 351112644 = 24895^2 + 18738^2 .

It is an emirp because it is prime and its reverse (966378079) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970873669 is a prime.

It is a super-2 number, since 2×970873669² = 1885191362315043122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970873639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485436834 + 485436835.

It is an arithmetic number, because the mean of its divisors is an integer number (485436835).

Almost surely, 2^970873669 is an apocalyptic number.

It is an amenable number.

970873669 is a deficient number, since it is larger than the sum of its proper divisors (1).

970873669 is an equidigital number, since it uses as much as digits as its factorization.

970873669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 970873669 is about 31158.8457584680. The cubic root of 970873669 is about 990.1954071306.

The spelling of 970873669 in words is "nine hundred seventy million, eight hundred seventy-three thousand, six hundred sixty-nine".