75948636343 has 4 divisors (see below), whose sum is σ = 76078021320. Its totient is φ = 75819251368.

The previous prime is 75948636289. The next prime is 75948636349. The reversal of 75948636343 is 34363684957.

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 75948636343 - 2⁹ = 75948635831 is a prime.

It is a super-2 number, since 2×75948636343² (a number of 23 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 (75948636349) 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, 64691608 + ... + 64692781.

It is an arithmetic number, because the mean of its divisors is an integer number (19019505330).

Almost surely, 2^75948636343 is an apocalyptic number.

75948636343 is a deficient number, since it is larger than the sum of its proper divisors (129384977).

75948636343 is a wasteful number, since it uses less digits than its factorization.

75948636343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129384976.

The product of its digits is 39191040, while the sum is 58.

The spelling of 75948636343 in words is "seventy-five billion, nine hundred forty-eight million, six hundred thirty-six thousand, three hundred forty-three".