8421250733001 has 12 divisors (see below), whose sum is σ = 12164054821828. Its totient is φ = 5614155162144.

The previous prime is 8421250732931. The next prime is 8421250733003. The reversal of 8421250733001 is 1003370521248.

8421250733001 is a `hidden beast` number, since 84 + 21 + 250 + 7 + 3 + 300 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3614409345600 + 4806841387401 = 1901160^2 + 2192451^2 .

It is not a de Polignac number, because 8421250733001 - 2¹¹ = 8421250730953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8421250733003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6107451 + ... + 7358223.

Almost surely, 2^{8421250733001} is an apocalyptic number.

It is an amenable number.

8421250733001 is a deficient number, since it is larger than the sum of its proper divisors (3742804088827).

8421250733001 is a wasteful number, since it uses less digits than its factorization.

8421250733001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998872 (or 1998869 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 8421250733001 in words is "eight trillion, four hundred twenty-one billion, two hundred fifty million, seven hundred thirty-three thousand, one".