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44287166437 is a prime number
BaseRepresentation
bin101001001111101110…
…001000011111100101
311020022110010011020121
4221033232020133211
51211200003311222
632202323401541
73125322463213
oct511756103745
9136273104217
1044287166437
1117866a506a8
1286bb8232b1
13423a32a537
142201b13cb3
1512430835c7
hexa4fb887e5

44287166437 has 2 divisors, whose sum is σ = 44287166438. Its totient is φ = 44287166436.

The previous prime is 44287166387. The next prime is 44287166479. The reversal of 44287166437 is 73466178244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40630061761 + 3657104676 = 201569^2 + 60474^2 .

It is a cyclic number.

It is not a de Polignac number, because 44287166437 - 215 = 44287133669 is a prime.

It is a super-2 number, since 2×442871664372 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44287166537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22143583218 + 22143583219.

It is an arithmetic number, because the mean of its divisors is an integer number (22143583219).

Almost surely, 244287166437 is an apocalyptic number.

It is an amenable number.

44287166437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44287166437 is an equidigital number, since it uses as much as digits as its factorization.

44287166437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 52.

The spelling of 44287166437 in words is "forty-four billion, two hundred eighty-seven million, one hundred sixty-six thousand, four hundred thirty-seven".