8451622121159 has 8 divisors (see below), whose sum is σ = 9677465159040. Its totient is φ = 7230396195576.

The previous prime is 8451622121149. The next prime is 8451622121227. The reversal of 8451622121159 is 9511212261548.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8451622121159 - 2²⁸ = 8451353685703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8451622121149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154274149 + ... + 1154281470.

It is an arithmetic number, because the mean of its divisors is an integer number (1209683144880).

Almost surely, 2^{8451622121159} is an apocalyptic number.

8451622121159 is a deficient number, since it is larger than the sum of its proper divisors (1225843037881).

8451622121159 is a wasteful number, since it uses less digits than its factorization.

8451622121159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308556149.

The product of its digits is 345600, while the sum is 47.

The spelling of 8451622121159 in words is "eight trillion, four hundred fifty-one billion, six hundred twenty-two million, one hundred twenty-one thousand, one hundred fifty-nine".