9409879007 has 2 divisors, whose sum is σ = 9409879008. Its totient is φ = 9409879006.

The previous prime is 9409878983. The next prime is 9409879121. The reversal of 9409879007 is 7009789049.

It is a weak prime.

It is an emirp because it is prime and its reverse (7009789049) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9409879007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9409879007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9409879607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4704939503 + 4704939504.

It is an arithmetic number, because the mean of its divisors is an integer number (4704939504).

Almost surely, 2^9409879007 is an apocalyptic number.

9409879007 is a deficient number, since it is larger than the sum of its proper divisors (1).

9409879007 is an equidigital number, since it uses as much as digits as its factorization.

9409879007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 9409879007 is about 97004.5308580996. The cubic root of 9409879007 is about 2111.1933687147.

The spelling of 9409879007 in words is "nine billion, four hundred nine million, eight hundred seventy-nine thousand, seven".