7963945135 has 4 divisors (see below), whose sum is σ = 9556734168. Its totient is φ = 6371156104.

The previous prime is 7963945079. The next prime is 7963945159. The reversal of 7963945135 is 5315493697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7963945135 - 2²³ = 7955556527 is a prime.

It is a super-2 number, since 2×7963945135² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796394509 + ... + 796394518.

It is an arithmetic number, because the mean of its divisors is an integer number (2389183542).

Almost surely, 2^7963945135 is an apocalyptic number.

7963945135 is a deficient number, since it is larger than the sum of its proper divisors (1592789033).

7963945135 is a wasteful number, since it uses less digits than its factorization.

7963945135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592789032.

The product of its digits is 3061800, while the sum is 52.

The square root of 7963945135 is about 89240.9386716657. The cubic root of 7963945135 is about 1996.9909028544.

The spelling of 7963945135 in words is "seven billion, nine hundred sixty-three million, nine hundred forty-five thousand, one hundred thirty-five".