8122899004901 has 4 divisors (see below), whose sum is σ = 8146173787500. Its totient is φ = 8099624222304.

The previous prime is 8122899004879. The next prime is 8122899004973. The reversal of 8122899004901 is 1094009982218.

It is a happy number.

It is a Cunningham number, because it is equal to 2850070²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5962143062500 + 2160755942401 = 2441750^2 + 1469951^2 .

It is a cyclic number.

It is not a de Polignac number, because 8122899004901 - 2⁶ = 8122899004837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122899004501) 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, 11637390776 + ... + 11637391473.

It is an arithmetic number, because the mean of its divisors is an integer number (2036543446875).

Almost surely, 2^{8122899004901} is an apocalyptic number.

It is an amenable number.

8122899004901 is a deficient number, since it is larger than the sum of its proper divisors (23274782599).

8122899004901 is a wasteful number, since it uses less digits than its factorization.

8122899004901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23274782598.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 8122899004901 in words is "eight trillion, one hundred twenty-two billion, eight hundred ninety-nine million, four thousand, nine hundred one".