9913505001 has 32 divisors (see below), whose sum is σ = 14287435776. Its totient is φ = 6091680000.

The previous prime is 9913504957. The next prime is 9913505003. The reversal of 9913505001 is 1005053199.

It is not a de Polignac number, because 9913505001 - 2¹¹ = 9913502953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9913505003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537706 + ... + 555836.

It is an arithmetic number, because the mean of its divisors is an integer number (446482368).

Almost surely, 2^9913505001 is an apocalyptic number.

It is an amenable number.

9913505001 is a deficient number, since it is larger than the sum of its proper divisors (4373930775).

9913505001 is a wasteful number, since it uses less digits than its factorization.

9913505001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 9913505001 is about 99566.5857655067. The cubic root of 9913505001 is about 2148.2051002013.

The spelling of 9913505001 in words is "nine billion, nine hundred thirteen million, five hundred five thousand, one".