79505282141 has 4 divisors (see below), whose sum is σ = 80808647484. Its totient is φ = 78201916800.

The previous prime is 79505282081. The next prime is 79505282149. The reversal of 79505282141 is 14128250597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14128250597 = 5119 ⋅2759963.

It can be written as a sum of positive squares in 2 ways, for example, as 9891098116 + 69614184025 = 99454^2 + 263845^2 .

It is a cyclic number.

It is not a de Polignac number, because 79505282141 - 2¹⁰ = 79505281117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79505282092 and 79505282101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79505282149) 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, 651682580 + ... + 651682701.

It is an arithmetic number, because the mean of its divisors is an integer number (20202161871).

Almost surely, 2^79505282141 is an apocalyptic number.

It is an amenable number.

79505282141 is a deficient number, since it is larger than the sum of its proper divisors (1303365343).

79505282141 is a wasteful number, since it uses less digits than its factorization.

79505282141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303365342.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 79505282141 in words is "seventy-nine billion, five hundred five million, two hundred eighty-two thousand, one hundred forty-one".