1010639969 has 8 divisors (see below), whose sum is σ = 1040784000. Its totient is φ = 980929872.

The previous prime is 1010639947. The next prime is 1010639977. The reversal of 1010639969 is 9699360101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010639969 - 2⁸ = 1010639713 is a prime.

It is a super-2 number, since 2×1010639969² = 2042786293880641922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010639909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103754 + ... + 113075.

It is an arithmetic number, because the mean of its divisors is an integer number (130098000).

Almost surely, 2^1010639969 is an apocalyptic number.

It is an amenable number.

1010639969 is a deficient number, since it is larger than the sum of its proper divisors (30144031).

1010639969 is an equidigital number, since it uses as much as digits as its factorization.

1010639969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216967.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 1010639969 is about 31790.5641503890. The cubic root of 1010639969 is about 1003.5341513931.

The spelling of 1010639969 in words is "one billion, ten million, six hundred thirty-nine thousand, nine hundred sixty-nine".