9700636989 has 4 divisors (see below), whose sum is σ = 12934182656. Its totient is φ = 6467091324.

The previous prime is 9700636973. The next prime is 9700636991. The reversal of 9700636989 is 9896360079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9700636989 - 2⁴ = 9700636973 is a prime.

It is a super-2 number, since 2×9700636989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9700634989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616772829 + ... + 1616772834.

It is an arithmetic number, because the mean of its divisors is an integer number (3233545664).

Almost surely, 2^9700636989 is an apocalyptic number.

It is an amenable number.

9700636989 is a deficient number, since it is larger than the sum of its proper divisors (3233545667).

9700636989 is a wasteful number, since it uses less digits than its factorization.

9700636989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233545666.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The square root of 9700636989 is about 98491.8117865643. The cubic root of 9700636989 is about 2132.7179179245.

The spelling of 9700636989 in words is "nine billion, seven hundred million, six hundred thirty-six thousand, nine hundred eighty-nine".