8651754550421 has 2 divisors, whose sum is σ = 8651754550422. Its totient is φ = 8651754550420.

The previous prime is 8651754550391. The next prime is 8651754550451. The reversal of 8651754550421 is 1240554571568.

It is a balanced prime because it is at equal distance from previous prime (8651754550391) and next prime (8651754550451).

It can be written as a sum of positive squares in only one way, i.e., 4490097430225 + 4161657120196 = 2118985^2 + 2040014^2 .

It is a cyclic number.

It is not a de Polignac number, because 8651754550421 - 2¹⁰ = 8651754549397 is a prime.

It is a super-3 number, since 3×8651754550421³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8651754550451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4325877275210 + 4325877275211.

It is an arithmetic number, because the mean of its divisors is an integer number (4325877275211).

Almost surely, 2^{8651754550421} is an apocalyptic number.

It is an amenable number.

8651754550421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8651754550421 is an equidigital number, since it uses as much as digits as its factorization.

8651754550421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 8651754550421 in words is "eight trillion, six hundred fifty-one billion, seven hundred fifty-four million, five hundred fifty thousand, four hundred twenty-one".