8254576215649 has 16 divisors (see below), whose sum is σ = 8924357826880. Its totient is φ = 7608350917440.

The previous prime is 8254576215643. The next prime is 8254576215653. The reversal of 8254576215649 is 9465126754528.

It is a cyclic number.

It is not a de Polignac number, because 8254576215649 - 2⁷ = 8254576215521 is a prime.

It is a super-4 number, since 4×8254576215649⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (8254576215643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12825667 + ... + 13453879.

It is an arithmetic number, because the mean of its divisors is an integer number (557772364180).

Almost surely, 2^{8254576215649} is an apocalyptic number.

It is an amenable number.

8254576215649 is a deficient number, since it is larger than the sum of its proper divisors (669781611231).

8254576215649 is a wasteful number, since it uses less digits than its factorization.

8254576215649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646960.

The product of its digits is 145152000, while the sum is 64.

The spelling of 8254576215649 in words is "eight trillion, two hundred fifty-four billion, five hundred seventy-six million, two hundred fifteen thousand, six hundred forty-nine".