8645421723151 has 8 divisors (see below), whose sum is σ = 8653342731264. Its totient is φ = 8637502175160.

The previous prime is 8645421723143. The next prime is 8645421723167. The reversal of 8645421723151 is 1513271245468.

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 8645421723151 - 2³ = 8645421723143 is a prime.

It is a super-2 number, since 2×8645421723151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8645421723095 and 8645421723104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645421723101) 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, 11663646 + ... + 12382708.

It is an arithmetic number, because the mean of its divisors is an integer number (1081667841408).

Almost surely, 2^{8645421723151} is an apocalyptic number.

8645421723151 is a deficient number, since it is larger than the sum of its proper divisors (7921008113).

8645421723151 is a wasteful number, since it uses less digits than its factorization.

8645421723151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730061.

The product of its digits is 1612800, while the sum is 49.

The spelling of 8645421723151 in words is "eight trillion, six hundred forty-five billion, four hundred twenty-one million, seven hundred twenty-three thousand, one hundred fifty-one".