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44463703861 is a prime number
BaseRepresentation
bin101001011010001111…
…100100011100110101
311020202202022012001201
4221122033210130311
51212030202010421
632232031252501
73132565150453
oct513217443465
9136682265051
1044463703861
11179476688a5
12874a97a131
134267a8b355
14221b3499d3
151253805b91
hexa5a3e4735

44463703861 has 2 divisors, whose sum is σ = 44463703862. Its totient is φ = 44463703860.

The previous prime is 44463703859. The next prime is 44463703873. The reversal of 44463703861 is 16830736444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44390276100 + 73427761 = 210690^2 + 8569^2 .

It is a cyclic number.

It is not a de Polignac number, because 44463703861 - 21 = 44463703859 is a prime.

It is a super-2 number, since 2×444637038612 (a number of 22 digits) contains 22 as substring.

Together with 44463703859, 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 (44463703061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22231851930 + 22231851931.

It is an arithmetic number, because the mean of its divisors is an integer number (22231851931).

Almost surely, 244463703861 is an apocalyptic number.

It is an amenable number.

44463703861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44463703861 is an equidigital number, since it uses as much as digits as its factorization.

44463703861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 44463703861 in words is "forty-four billion, four hundred sixty-three million, seven hundred three thousand, eight hundred sixty-one".