75938279349 has 4 divisors (see below), whose sum is σ = 101251039136. Its totient is φ = 50625519564.

The previous prime is 75938279341. The next prime is 75938279369. The reversal of 75938279349 is 94397283957.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75938279349 - 2³ = 75938279341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75938279349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75938279341) 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, 12656379889 + ... + 12656379894.

It is an arithmetic number, because the mean of its divisors is an integer number (25312759784).

Almost surely, 2^75938279349 is an apocalyptic number.

It is an amenable number.

75938279349 is a deficient number, since it is larger than the sum of its proper divisors (25312759787).

75938279349 is a wasteful number, since it uses less digits than its factorization.

75938279349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312759786.

The product of its digits is 102876480, while the sum is 66.

The spelling of 75938279349 in words is "seventy-five billion, nine hundred thirty-eight million, two hundred seventy-nine thousand, three hundred forty-nine".