9970919690 has 8 divisors (see below), whose sum is σ = 17947655460. Its totient is φ = 3988367872.

The previous prime is 9970919689. The next prime is 9970919741. The reversal of 9970919690 is 969190799.

It can be written as a sum of positive squares in 2 ways, for example, as 9427050649 + 543869041 = 97093^2 + 23321^2 .

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

It is a super-2 number, since 2×9970919690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498545975 + ... + 498545994.

Almost surely, 2^9970919690 is an apocalyptic number.

9970919690 is a deficient number, since it is larger than the sum of its proper divisors (7976735770).

9970919690 is a wasteful number, since it uses less digits than its factorization.

9970919690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997091976.

The product of its (nonzero) digits is 2480058, while the sum is 59.

The square root of 9970919690 is about 99854.4925879652. The cubic root of 9970919690 is about 2152.3442747677.

The spelling of 9970919690 in words is "nine billion, nine hundred seventy million, nine hundred nineteen thousand, six hundred ninety".