5751216898549 has 2 divisors, whose sum is σ = 5751216898550. Its totient is φ = 5751216898548.

The previous prime is 5751216898547. The next prime is 5751216898561. The reversal of 5751216898549 is 9458986121575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5225384528100 + 525832370449 = 2285910^2 + 725143^2 .

It is a cyclic number.

It is not a de Polignac number, because 5751216898549 - 2¹ = 5751216898547 is a prime.

Together with 5751216898547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5751216898547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2875608449274 + 2875608449275.

It is an arithmetic number, because the mean of its divisors is an integer number (2875608449275).

Almost surely, 2^{5751216898549} is an apocalyptic number.

It is an amenable number.

5751216898549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5751216898549 is an equidigital number, since it uses as much as digits as its factorization.

5751216898549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728000, while the sum is 70.

The spelling of 5751216898549 in words is "five trillion, seven hundred fifty-one billion, two hundred sixteen million, eight hundred ninety-eight thousand, five hundred forty-nine".