79250408369 has 4 divisors (see below), whose sum is σ = 86454990960. Its totient is φ = 72045825780.

The previous prime is 79250408353. The next prime is 79250408383. The reversal of 79250408369 is 96380405297.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96380405297 = 11 ⋅8761855027.

It is a cyclic number.

It is not a de Polignac number, because 79250408369 - 2⁴ = 79250408353 is a prime.

It is a super-2 number, since 2×79250408369² (a number of 23 digits) contains 22 as substring.

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 79250408369.

It is not an unprimeable number, because it can be changed into a prime (79250408969) 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, 3602291279 + ... + 3602291300.

It is an arithmetic number, because the mean of its divisors is an integer number (21613747740).

Almost surely, 2^79250408369 is an apocalyptic number.

It is an amenable number.

79250408369 is a deficient number, since it is larger than the sum of its proper divisors (7204582591).

79250408369 is a wasteful number, since it uses less digits than its factorization.

79250408369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204582590.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 79250408369 in words is "seventy-nine billion, two hundred fifty million, four hundred eight thousand, three hundred sixty-nine".