79331458141 has 4 divisors (see below), whose sum is σ = 85433878012. Its totient is φ = 73229038272.

The previous prime is 79331458121. The next prime is 79331458147. The reversal of 79331458141 is 14185413397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14185413397 = 13799 ⋅1028003.

It can be written as a sum of positive squares in 2 ways, for example, as 5322432025 + 74009026116 = 72955^2 + 272046^2 .

It is not a de Polignac number, because 79331458141 - 2¹¹ = 79331456093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79331458091 and 79331458100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79331458147) 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, 3051209916 + ... + 3051209941.

It is an arithmetic number, because the mean of its divisors is an integer number (21358469503).

Almost surely, 2^79331458141 is an apocalyptic number.

It is an amenable number.

79331458141 is a deficient number, since it is larger than the sum of its proper divisors (6102419871).

79331458141 is a wasteful number, since it uses less digits than its factorization.

79331458141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102419870.

The product of its digits is 362880, while the sum is 46.

The spelling of 79331458141 in words is "seventy-nine billion, three hundred thirty-one million, four hundred fifty-eight thousand, one hundred forty-one".