9893342645 has 16 divisors (see below), whose sum is σ = 12082612080. Its totient is φ = 7774617600.

The previous prime is 9893342639. The next prime is 9893342737. The reversal of 9893342645 is 5462433989.

It can be written as a sum of positive squares in 8 ways, for example, as 4306378129 + 5586964516 = 65623^2 + 74746^2 .

It is not a de Polignac number, because 9893342645 - 2⁶ = 9893342581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213455 + ... + 255635.

It is an arithmetic number, because the mean of its divisors is an integer number (755163255).

Almost surely, 2^9893342645 is an apocalyptic number.

It is an amenable number.

9893342645 is a deficient number, since it is larger than the sum of its proper divisors (2189269435).

9893342645 is a wasteful number, since it uses less digits than its factorization.

9893342645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43016.

The product of its digits is 5598720, while the sum is 53.

The square root of 9893342645 is about 99465.2836169485. The cubic root of 9893342645 is about 2146.7477524437.

The spelling of 9893342645 in words is "nine billion, eight hundred ninety-three million, three hundred forty-two thousand, six hundred forty-five".